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hf Hf = 【化學】 hafnium.

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Hf horizontal flange type Hf臥式直結型

Hf is improved as there is no real capacitance due to the choke . ) 高頻頻響也會提升是因為沒有了扼流圈帶來的分布電容。 )

Purpose : transceiver final amplifier application , hf transceiver application 用途:用于無線收發機的末級放大和高頻收發。

Hybrid fiber coaxial hf 光纖同軸混合網路

Internal hf quenching pieces 內高頻淬火件

Mf hf radio installation 中短波無線電裝置

Verification regulation of hf voltage calibration apparatus types do - 2 and the like Do - 2型高頻電壓校準裝置檢定規程

Experimental of atmospheric transmittances for 20p4 and 20p5 lines of hf overtone laser 5激光譜線大氣傳輸性能實驗

Verification regulation of lccg - 1 type hf inductance and capacitance meter Lccg - 1型高頻電感電容測量儀試行檢定規程

Requirements of interoperability and performance for hf single - tone modem 高頻串行調制解調器.互操作性和性能要求

You can use hfs ( http file server ) to send and receive files 你可以使用hfs讓朋友到你的電腦接收檔案或發送給你

Be sure your gunn diode doesn ' t oscillate at audio or hf as well 確信你的耿氏二極管沒有同時在音頻或高頻振蕩。

Communications between satellite communication network and hf uhf communication networks 超短波通信網絡的互連

The development and function appraisal of the new hf - modified phenolic resin 新型改性酚醛樹脂研制及性能評價

While hfs file systems say ,而hfs文件系統將顯示為

Design of a remote demodulation system for hf frequency - hopping signals 一種短波跳頻信號遠程解調系統的設計

Hfs file systems appear as Hfs文件系統文件系統顯示為

Aluminium and aluminium alloys - hf seam welded tubes - mechanical properties 鋁和鋁合金. hf縫焊管.機械特性

Design of a novel automatic antenna tuning coupler in hf communication 一種新的短波自適應天線調諧器的設計