HF High Frequency 高频 ; 高音 ; 短波
hf high strength hf高强
HF Machine High Frequency Machine 高频机
hf high-voltage generator 高频高压发生器
HF-AUDIO High Frequency Audio 高音频
high frequency heating HF heating 高频加热
high-speed HF modem 高速短波调制解调器
hf high-performance hf高强
MHFCS has the capability to transform high Frequency (HF) communications worldwide and provides nations with the highest levels of global connectivity while enhancing their information security.
MHFCS有能力改变世界各国高频通信，为各国提供高水平连接，同时提高他们的信息安全。
Harris will supply Falcon II RF-5800H high-frequency (HF) radio systems for long-haul, beyond line-of-sight terrestrial communications.
Harris公司将提供Falcon II RF - 5800 H长途高频(HF)无线电系统，具有超视距地面通信能力。
HF inhaled in high concentrations may cause glottitis (obstruction of the airway) and acute pulmonary edema.
吸入高浓度HF会导致喉道阻塞和急性肺水肿。
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