典型破片迎风面积测量设备主要用于弹丸破片迎风面积的测量。
The metrical equipment of typical fragments average windward area was designed to measuring the fragments area of cannonball.
典型破片迎风面积测量设备主要用于弹丸破片迎风面积的测量。
The purpose and the principle of measuring frontal area of fragments are introduced.
利用TWAIN标准对原植物叶片面积测量系统进行了改进，使其可以直接从支持TWAIN标准的数字化图像输入设备读取图像数据。
Using TWAIN standard, the leaf area measurement system is improved so that image data can be read directly from digital image equipment.
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