1. The equations of mass conservation, momentum conservation and energy conservation of gas, liquid and two-phase flow are the basement of the program. 程序用汽相、液相以及两相流的质量守恒方程、动量守恒方程和能量守恒方程等基本方程来建立数学模型。
2. We also provide conservation and authentication through NCS, or Numismatic Conservation Services, founded in 2001. 我们也会通过2001年成立的NCS提供钱币养护和认证服务。
3. Conservation of Mass . Conservation of Momentum. Stress Tensor. 质量守恒，动量守恒，应力张量。
4. James Wong is a Kew-trained ethnobotanist and works for Botanic Gardens Conservation International, the world's largest plant conservation network. 詹姆斯
5. Galliformes is one group of birds which has a close relationship with human beings. Their conservation has received widespread attention from many international conservation organizations. 鸡形目是一个与人类关系非常密切的鸟类类群，其保护工作受到国际自然保护组织的广泛关注。
网络释义
conservation of energy law of conservation of energy 能量守恒定律;
