... 6. 截面面积 area of section 7. 截面面积矩 first moment of area 8. 截面惯性矩 second moment of area; moment of inertia ...
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first moment of plane area 几何图形的一次矩
以上来源于: WordNet
Based on both the area formula of gear tooth and groove and their respective center multiplying formula, the force and moment expressions of both sides of side-panels could be brought out at first.
由推导出的齿端和槽端面积及其圆心矩公式，首先得出轴套（侧板）内外两侧所受的力和力矩关于齿轮基本参数的函数表达式。
The size and number of transmit buffers is first determined, and this determination is made after considering how much pool area is available in the printer's memory system at that moment.
的规模和传输缓冲区的数目是首先决定，这个决定是在考虑多少池面积在打印机的存储系统可在这个时候提出。
AUMC is the area under the first moment of the plasma concentration-time curve.
其中AUMC是指一阶矩血浆浓度时间曲线下面积。
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