查看会员资料
- Email:用户隐藏
- Icq/MSN:qq
- 电话号码:
- Homepage:
- 会员简介:这家伙很懒,什么都没留下!
最新会员发布资源
getWeights
- When used to mean force, its magnitude (a scalar quantity), often denoted by an italic letter W, is the product of the mass m of the object and the magnitude of the local gravitational acceleration g [3] thus: W = mg. When considered a vector, weight