• 过去某些制造商试图利用建造直接辐射式高音单元穹顶

    In the past certain manufacturers have attempted to use Beryllium for the construction of a direct radiating tweeter dome.

    youdao

  • 该文介绍典型毫米波焦平面阵列接收机进一步分析频式直接检波式辐射计接收机特性。

    We describe typical focal plane array receivers, and make a further analysis on the performance of both mixer and direct detection radiometric receiver.

    youdao

  • 该文介绍典型毫米波焦平面阵列接收机进一步分析频式直接检波式辐射计接收机特性。

    We describe typical focal plane array receivers, and make a further analysis on the performance of both mixer and direct detection radiometric receiver.

    youdao

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