• This paper describes a method which can effectively improve the brightness of the conventional triode electron gun by reducing the distance between the anode and the grid cap.

    本文通过试验论述缩短电子枪阳极栅极间距提高低压电子枪亮度有效方法

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  • The combination evaluation of cap rock and reservoir is often neglected in the conventional reservoir evaluation.

    常规油藏评价常常忽略组合的评价。

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  • The combination evaluation of cap rock and reservoir is often neglected in the conventional reservoir evaluation.

    常规油藏评价常常忽略组合的评价。

    youdao

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