mass centre的用法和樣例：
例句
- The disadvantageous effect should be considered when the deflection between the structural mass center and stiffness center exists.
摘要結構剛度中心與質量中心偏差較大時，應考慮扭轉的不利影響，將高層建築結構等效為懸臂桿，從頂至底依次選取脫離體。 - Europe's economic centre of gravity shifted northward.
歐洲的經濟重心向北移了。 - We can assume all the mass of the body to be concentrated at its centre of gravity.
我們可以假定物體的質量全部集中在重心上。
