After some treatment of centripetal force , he deduces Kepler's third law.在向心力的一些论述之后，他推出了开普勒的第三定律。We share his view that business can be a positive force for change...我们同意他的观点，认为商业可以是促进变革的一种积极力量。The use of Ozawa�...
The surface of the reinforcement may be plain, ribbed or indented.钢筋的表面可以是光圆的, 带肋的,或者是锯齿状的.I am sure that this meeting will contribute to the reinforcement of peace and security all over the world...我相信这次会议将会促进世界范围内的和平与安...