In this paper, an e-plane sectoral horn with amplitude taper and phase correction in the aperture is presented.
本文介绍一种在喇叭口径上具有幅度锥削的相位校正的E面扇形喇叭。
The paper researched on the rule of impact response for double taper-column shell structure with stiffening ribs subjected to underwater explosion.
研究了加肋锥柱双层壳结构在水下爆炸作用下冲击响应的规律。
This paper describes a new method and device for measuring helical line, pitch diameter, taper and half-angle of thread of petroleum thread gauges.
本文介绍一种测量石油螺纹量规的螺旋线、中径、锥度和牙形半角的新方法及装置。
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