The computer model finds that mid-frequency sonar is mostly filtered out for the whales, while the higher frequencies the animals use for hunting appear to be unimpeded by sonar.
电脑模型表明，突吻鲸能过滤掉声纳大部分的中频声波，而声纳也不会影响这些鲸鱼用来捕猎的高频声波。
Diamond-like carbon DLC thin films were deposited onto si 100 and high speed steel substrates by mid-frequency magnetron sputtering system SP0806AS, Beijing Power tech Co.
采用SP0806AS中频磁控溅射镀膜机，在硅(100)和高速钢基体上，采用双石墨靶在不同功率下沉积了类金刚石薄膜。
Full bridge topology was used in the main circuit, IGBT was used as power switching device, and micro-crystal core was used in mid-frequency transformer.
其主电路采用全桥式拓扑结构，以IGBT管为功率开关器件，中频变压器使用微晶磁心。
The NdFeB alloy was melted in a vacuum mid-frequency induction furnace and then homogenized.
钕铁硼合金用真空中频感应炉熔制。
This paper aimed at studying the principle, architecture and features of SDR and developing a mid-frequency digital signal receiver platform Based On Software Radio.
本文对软件无线电的原理、体系结构及关键技术进行了研究，对基于软件无线电的数字中频接收机平台进行了研究与开发。
The hydrogen-free diamond-like carbon(DLC) films were deposited on substrates of Si and M2 high-speed steel using a new mid-frequency dual-magnetron sputtering.
利用新型中频对靶磁控溅射在硅和M2高速钢基体上沉积了一系列无氢含铬类金刚石膜。
The hydrogen-free diamond-like carbon(DLC) films were deposited on substrates of Si and M2 high-speed steel using a new mid-frequency dual-magnetron sputtering.
利用新型中频对靶磁控溅射在硅和M2高速钢基体上沉积了一系列无氢含铬类金刚石膜。
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