研究和设计了一实验性双端差分吸收激光雷达系统。
An experimental laser radar system with double end differential absorption is studied and designed.
输出端设有电流电压双状态显示功能；
There are both current and voltage display performance at the output port;
通过双材料受压试验研究了弱奇异性界面端的界面初始脱粘点的位置问题。
The interface initial debonding location problem was studied through the push down test.
一端或两端带有双箭头的直线。
Line that can have a double arrowhead appear at either end, or both ends.
一端或两端带有双箭头的直线。
Line that can have a double arrowhead appear at either end, or both ends.
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