PGF errors are a little difference between the two coordinates in lower levels, but PGF errors of the height coordinate are obviously smaller than those of the mass coordinate in higher levels.
两垂直坐标下气压梯度力计算误差在低层两者相差不大,但是往高层高度坐标的气压梯度力误差要明显小于质量坐标。
So, switching the area, moving the area to the other side, I'll get double integral of xdA is the area of origin times the x coordinate of the center of mass.
那么,改变一下区域,把这块移到另一侧,我们得到对xdA的双重积分,是原点那的圆面积乘质心的x的坐标。
The study shows that by adopting the production mode of mass customization in green manufacturing, the enterprises can coordinate and optimize their economic and social profits.
研究表明,在绿色制造中采用大规模定制生产方式,可以使企业的经济效益和社会效益得到协调优化。
Updated co-moving coordinate finite element based S-R decomposition theorem is convenient to track deformations of points in the deformed configures, to assure the mass equilibrium of element.
基于s - R分解原理的更新拖带坐标有限元法分析这类构件,有利于跟踪变形物体中各点的变化,保证单元的质量守恒。
As to the conservation of motion of center of mass, the method of absolute coordinate system is generally used in the teaching meterials of theoretic mechanics.
对于质心运动守恒问题,理论力学教材中一般用绝对坐标法进行计算。
And then using mass center formula to calculate four parameters of translation axes and rotation coordinate, mathematic model is established.
然后采用重心公式计算出坐标平移旋转的4个参数,建立了坐标平移旋转的数学模型。
And then using mass center formula to calculate four parameters of translation axes and rotation coordinate, mathematic model is established.
然后采用重心公式计算出坐标平移旋转的4个参数,建立了坐标平移旋转的数学模型。
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