中英文对照:建筑专业词汇 ... 质量中位直径 ma median diameter 质量中心 centre of ma ma center; ma centroid; centroid; center 质量中心轴线 centroidal axis ...
双语例句
1
There is therefore an optimum place to hit the ball if you want maximum spin: if you hit the ball too close or too far from the centreofgravity, it will not acquire any spin at all.