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striking distance 打得到的距離[范圍] (within striking ...

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Used regulations method calculating , analyzing and comparing the lightning protection performance with field data for the line firstly , . then put forward more reasonable model ( distributing parameter model ) to calculate the surge impedance of tower combining the existing model and validate by emtp , furthermore studied the striking distance factor based on electromagnetism 首先利用規程法對線路的耐雷性能進行計算、分析,并與現場數據比較;同時結合目前對桿塔波阻抗的研究方法,提出一種更合理的桿塔波阻抗計算模型?桿塔分布參數模型,并利用emtp進行仿真計算和驗證。

This thesis built the models computing the working frequency over - voltage “ operation over - voltage for 220kv fugai transmission line , calculates and analyzes working frequency over - voltage “ operation over - voltage using emtp program and provides reasonable protection measures for the transmission line . furthermore , regulations method , traveling wave method and striking distance method are used to study and compare lightning - enduring capabilities of different types of pole in power transmission lines aiming at the fact that the lightning strike switching rate of 220kv fugai line is higher 本文分別建立了計算220kv復蓋線路的工頻電壓升高及操作過電壓的計算模型,利用emtp程序對220kv復蓋線路工頻電壓升高、投切空線過電壓、投切空變過電壓、單相故障過電壓進行計算分析,并提出合理的防護措施。

Crude oil jumped to within striking distance of $ 100 a barrel yesterday as the us dollar tumbled to records lows , prompting fresh fears of a resurgence of global inflation 昨日,原油價格再度躍升,距每桶100美元僅咫尺之遙,原因是美元匯率跌至創紀錄低點,這重新引發了人們對于全球通貨膨脹抬頭的憂慮。

Gold got a boost from the weaker tone of the dollar , and the precious metal rose to within striking distance of the 24 ? - year high of $ 540 . 90 recorded in december 黃金價格因美元匯率走軟而上漲,距去年12月份創下540 . 90美元的24年半高點僅咫尺之遙。

Move carefully until you get within striking distance of the enemy , then hold your fire till i give the order 小心地逼近敵人直到可以發動進攻的距離,然后等待我的命令開火。

Afghanistan is , after all , within striking distance of the lucrative markets in the gulf 阿富汗地區畢竟在海灣地區也算是一個比較有利可圖的市場。

The champion , within striking distance , gave the challenger a severe blow 拳王站在打擊得到的距離內,給挑戰者一記重擊。

Our troops are not yet within striking distance of the enemy 我們的部隊還沒有進入敵人的攻擊范圍內。

. . . but now within striking distance , trailing 1 4 to 1 3 . . .不過現在踢罰球后,比分變為14比13了

But now within striking distance , trailing 1 4 to 1 3 .不過現在踢罰球后,比分變為14比13了