半自动变速器
The longitudinal elastic wave transmission through a coupling joint of two collinear semi-infinite beam structures is investigated by using wave theory approach.
采用波动分析法研究了纵向弹性波在两半无限梁耦合点的传播。
Fiberoptic Transmission Network of the Railway Dedicated Communication and Semi-antomatic Block Signal
铁路专用通讯与半自动闭塞信号光缆传输网
Envelopment of Electronic Control System for Semi-automatic Transmission
变速箱半自动换档电子控制系统开发
METHODS: The lymphangial configuration was observed under a light microscope and a transmission electron microscope by using semi-thin sections and ultra-thin sections technique respectively.
方法:应用半薄切片和超薄切片技术行光镜及电镜观察大鼠直肠肛梳区的淋巴管结构。
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