F - forepart 中文

forepart n.1.前部。2.(時間的)前段。

forepassed
Aimed to acquire high efficiency and high frequency of the converter , this paper researches on the forepart of the aeronautical static inverter ( asi ) ? dc / dc converter . the forepart of the asi has characters as follows : low and wide range of the input voltage , high input current and usually be used in middle and small power applications . based on the comprehensive research on dc / dc converter topologies , the novel interleaved flyback converter is presented and studied in this paper 本文以兩級式航空靜止變流器的前級(即dc / dc級)為主要研究對象,針對效率和高頻化問題,在充分考慮飛機低壓供電系統中的航空靜止變流器前級dc / dc輸入電壓低、范圍寬、輸入電流大、應用在中小功率場合等特點,以及深入理解dc / dc變換器各拓撲特點的基礎上,選擇了交錯并聯反激變換器作為基本拓撲進行了一些研究工作。
Digital receiver and its forepart operational principle are discussed , then methods of instantaneous autorelation , short - time fourier transform , wigner distribution and wavelet analysis are introduced in detail . the advantages and disadvantages and the application range of these algorithms are given . based on the merits of these algorithms , a new method for signal modulation type analysis is presented 本文討論了數字接收機以及前端的工作過程，然后詳細闡述了瞬時自相關、短時傅立葉變換、 wd算法、過零檢測和小波分析等各種算法在脈內調制分析上的應用，分析了各算法的優缺點，提出一種并行處理模式：即針對不同的信號采用不同的算法對脈內調制信號進行分析。
This dissertation integrates the practice from the jin chao speedway . it analyses and discusses the capability , evaluation method , production , design and construct in technique for the modified asphalt and modified asphalt mixtures , the article discuss is preventing ways for the forepart damage of asphaltic roads , and also summarizes many practical conclusions from a mass of testing date . it is expected it can offer some helpful experience for modified asphaltic ' s research and engineering and practice in the future 本論文結合錦朝高速公路的實踐，著重對sbs改性瀝青和改性瀝青混合料的性能、評價方法、生產制造和設計及施工技術進行了分析和探討；在論文中，對瀝青路面的早期破壞現象的防止措施進行了全面地研究；同時，通過大量的試驗數據，總結出了很多有實用價值的結論。
Had the stern of the ship been fix d , and the forepart broken off , i am perswaded i might have made a good voyage ; for by what i found in these two chests , i had room to suppose , the ship had a great deal of wealth on board ; and if i may guess by the course she steer d , she must have been bound from the buenos ayres , or the rio de la plata , in the south part of america , beyond the brasils , to the havana , in the gulph of mexico , and so perhaps to spain : she had no doubt a great treasure in her ; but of no use at that time to any body ; and what became of the rest of her people , i then knew not 從兩只箱子里找出來的東西看，我完全可以斷定，船上裝的財富十分可貴。從該船所走的航線來看，我也不難猜想它是從南美巴西南部的布宜諾斯艾利斯或拉普拉塔河口出發的，準備開往墨西哥灣的哈瓦那，然后也許再從那兒駛向西班牙。所以，船上無疑滿載金銀財寶，可是這些財富目前對任何人都毫無用處。
We discuss the characteristic of wireless channel and hf “ s at the forepart of the paper and , analysis several typical model about hf channel , and consider the math representation and statistic characterization , after that we select watterson hf channel model as the simulated model in this paper 在論文開始我們討論了無線通信信道的傳播特性和高頻信道的傳播特性，分析了高頻信道的數學表述和統計特性，最后我們選擇了watterson高頻通信模型作為本論文的仿真和模擬模型。
As the remote forepart , data acquisition card not only has the ability of correspondence with wireless data transmission module and data signal serial port , but also has the ability of data conversation and data acquisition of sensor simulation signal under the acquisition frequency of 128hz and 256hz 數據采集卡作為遠程前端不僅具有與無線數傳模塊命令、數據信號串口通信的功能，同時也具有對傳感器模擬信號在128hz和256hz兩種采樣頻率下的數字轉換和數據采集功能。
The data is gathered easily because the author works in bancassurance field . in the forepart of the thesis , the author expound detailedly the backdrop coming into being and the development course of bancassurance of china , analyze the restriction element of bancassurance of china , adopt greats quantity datum , trying hard for completely describing and analyzing the pattern fitting for the bancassurance development of china 在論文的前部，本文詳細論述了我國銀行保險的產生背景和發展歷程，即而對我國銀行保險發展現狀和制約因素做出介紹和研究，采用了大量的資料，力求完整地描述和分析銀行保險業的發展現狀，這些都是為了研究分析適合我國銀行保險的發展模式奠定基礎。
The thickening may be synthetically aroused by many factors , because of the lower maturation of source rock at forepart , the rock tar is thicker , and then many other factors impel it , which include the hydrocarbon dissipation at the process of oil and gas migration , biodegradation and bathing oxidation induced by gravity induced centripetal flow recharged by meteoric water at the basin uplift period and etc 稠油成藏則由多因素綜合作用造成，由于早期源巖成熟度較低，原油本身較稠，而油氣運移過程中輕質組分散失、生物降解和盆地抬升剝蝕階段大氣水下滲所導致的水洗氧化等作用則使其進一步稠化。
As a important part of caid , computer aided ergonomics is used to improve the quality of design effiently . espacialy using virtualhuman analyze and evaluate ergonomics capability in the forepart of design . this paper focus on how to use virtualhuman to realize the caed theory and technology , the main content concludes : modeling of virtualhuman body and modeling of virtualhuman motion 作為計算機輔助工業設計的重要組成部分的計算機輔助人機工程設計( cagd )技術，其目的是在產品設計時利用計算機輔助的方法高效率地解決產品的人機工程學問題，特別是利用虛擬人來進行先期人機工程的分析和評估是非常有效的，也是目前的研究熱點之一。
The forepart theories studying about the investors “ behavior in the securities market are the classical financial theories as efficient market hypothesis ( emh ) and modern assets portfolio theory ( apt ) . but some abnormal phenomenon in the securities market could n ' t be explained by those classical financial theories . the rational man hypothesis and valid market theory are especially wildly oppugned 而早期研究證券市場投資者行為主要是有效市場假說（ emh ）、現代資產組合理論（ apt ）等經典金融理論，但證券市場中的一些異常現象卻無法用經典金融理論來解釋，尤其是經典金融理論中的理性人假設和有效市場理論更受到廣泛質疑。
Lenin “ s international politic theory is a main theory source for stalin “ s theory of international politics . stalin “ s forepart revolution experience and abundant practice promote the development of stalin “ s theory of international politics . stalin “ s theory of international politics includes basic factor , theory paradigm and ideological system dominated by some paradigm 斯大林的早期革命經歷及其參與國際事務的活動，是斯大林國際政治理論的實踐來源，推動了斯大林國際政治理論的形成與發展，斯大林國際政治理論涵蓋了基本要素、理論范式以及在一定范式支配下的思想體系這三方面內容。
The advance limited company is on the local international trade and the rebirth resources produces management basis of main business of share system private enterprise . more than ten years , its came out a road of healthy growth by started a business hardly with reform innovation , the whole management of the business enterprise management level and management the results level have already followed an excellent business enterprise stage . review the past , if the advance changing the system to still exist certain opportunity and the words of contingency in the forepart , so , the advance can obtain the achievement of today after the challenges of numerous markets and hardship worked , that was the inevitable course of history . because , she cohesioned a person of advance diligent create a property , sureness prosper industry , devise strategies within a command tent to create great industry and have great foresight for the future the spirit boldness of vision of executive officer industry ; she coagulated a person of advance to start a business , respect - work , frequently the spirit of industry with work hard , dare to ascent , daintily pursue , the character of be good at dedication 十多年來，經過艱苦創業和改革創新，走出了一條健康成長之路，企業的整體經營管理水準和經營績效水平已經步入優秀企業階段。回顧歷史，如果說，經貿創業在改制初期還存在著一定的機遇和偶然性的話，那么，經貿創業在經歷了無數次市場的挑戰和艱苦拼搏之后，能取得今天的成就，那就是歷史的必然。因為，她凝聚了經創人吃苦耐勞創基業扎實勤懇興實業運籌帷幄創大業高瞻遠矚干事業的精神氣魄她凝聚了經創人創業敬業勤業之精神和勇拼搏敢攀登講追求善奉獻之品格。
The software realize the exceptional messages extract of gas concentration data , and display abnormal symptom of gas concentration change trend and scope by real - time graphics before gas outburst , can reflect the forepart signal of the gas outburst , give a significant guide for reduce the loss and ensure safe production of coal mine 利用軟件實現了葉瓦斯濃度數據中異常信息的提取，并通過圖形形式實時顯示突出前夕瓦斯濃度變化趨勢、幅度等異常征兆，可直觀、明了地反映突出早期信號，對防治突出，減少事故，確保煤礦安全生產有重要的指導意義。
6 . in software designing , the author describes the plan of optimizing the structure of software with object - oriented technology and the designing ideas and details of the plan , and discusses how to keep data security by using forepart program 采用了面向對象技術優化“陜西航空硬質合金工具公司小型erp / crm系統”的軟件結構，提供了其設計思想和具體的技術細節，給出了“陜西航空硬質合金工具公司小型egn crm系統”如何通過進一步利用前端應用程序來維護數據的安全性。
Aimed to acquire high efficiency and realize high frequency of the converter , this paper takes the forepart of the aeronautical static inverter ( asi ) - dc / dc converter as research object . push - pull forward converter ( ppfc ) , which adapts to be applied in low voltage , high current input power field , is proposed and studied in this paper based on comprehend to main characters of asi and references to the development of the vrm 本文以航空靜止變流器中dc dc ? dc ac結構的前級為主要研究對象，針對效率和高頻化問題，在充分考慮航空靜止變流器前級dc dc特點的基礎上，借鑒國外vrm技術的發展歷程，選擇了適合于低壓大電流場合下工作的推挽正激電路( ppfc ) ，作為基本電路拓撲，進行了一些理論與實驗的研究工作。
Abstract : the authors discuss roundly source of loose earth fo r impact - deposit debris flow to develop taking pingchuan debris flow , one of the quite typical impact - deposit debris flows in southwest sichuan province ， as an example in this paper . on the basis of detailed investigations in - situ , geotechn ial testing in lab and theory analysis , all results indicate obviously that moder ate and bulky loose earth in giant debris flow situating in southwest sichuan mo untainous area are main institute , whose tribulation are consistent with landform s . loose earth locating in mid - forepart catchment are quite unstable , so often be comes main source of loose earth of debris flow . formation of loose earth is cont rolled principally by geologic and geotechnical environment while human actions is the secondary factor for loose earth to form . in many times , human actions prov ide loose earth through loose earth stability 文摘:本文以極具典型的平川泥石流為例比較全面的分析了沖淤變動型泥石流的物源問題.根據現場調研及室內巖土分析進行的研究成果顯示，川西南高山深谷地區的大型泥石流溝中的松散土體以中、粗粒段為主，其分布與地形密切相關；位于泥石流溝中、前部位的松散土體的穩定性最差，是補給泥石流的重要物源；松散土體的發育主要受控于地質及巖土環境，人類活動只能影響松散土體的穩定性
Looking like a huge bird taking off from a small island in victoria harbour , the extension of the hkcec is located on reclaimed land and is connected to the first - phase building by a multi - tier atrium and several footbridges . the forepart of the manmade island is only 900 metres away from the kowloon peninsula 會展新翼的外形猶如大鵬展翅，座落于由填海得來的土地，由一座多層天橋走廊和數條行人天橋連接到第一期的建筑物，人工島前端與九龍半島距離僅900米。
With the support of virtual prototyping platform / environment , designers , users and manufacturers of the product can intuitively and visually improve the design , test the performance and use the virtual prototyping to simulate in the forepart of the product development 采用虛擬樣機仿真支撐平臺環境技術，可使產品的設計者，使用者和制造者在產品研制的早期，在虛擬環境中，直觀形象地對虛擬的產品樣機進行設計優化，性能測試，制造仿真和使用仿真。
Have analysed the reason why the tunnel makes aberrance , has proposed that should command the essential feature of aberrance that various kinds of reasons cause , metewand etc . respectively , set up forepart detect and maintenances management mode renovated in time 分析了隧道變異的原因，提出了應分別掌握各種原因引起的變異的基本特征、評價基準等，建立早期發現?及時整治的維修養護管理模式。

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forepart

forepart n.1.前部。2.(時間的)前段。

forepassed