截面宽度;
This section plane was found and measured on the spot during the1/ 50000 areal geological investigation of Sihai breadth.
在参加1∶5万四海幅区域地质调查过程中,发现并实测了该剖面。
The state variable were the length and breadth of element section etc, the objective function was the minimum weight of machine gun.
以单元宽、高度等状态变量为约束,枪架重量最小为目标函数。
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