The law of conservation and transformation of energy is the chief basis of physical, astronomical and chemical reasoning as well as of engineering practice.
能量守恒笔能量转换定律不仅是工程实践的主要基础，而且也是物理、天文以及化学等方面的主要基础。
The statement of the conservation and transformation of energy is as follows.
能量守恒与能量转换可表述如下。
The law of conservation and transformation of energy is the chief basis of physical, astronomical and chemical reasoning as well as engineering practice.
译：能量守恒和能量转换定律，不仅是工程实践的主要基础，而且也是物理、天文以及化学等方面推理的主要基础。
In this paper, the conservation law of momentum is derived from Einstein's transformation law of velocities, Newton's second law in relativity and general conservation law of energy.
本文从爱因斯坦速度变换式、相对论中的牛顿第二定律及普遍的能量守恒定律导出质点组的动量守恒定律。
The criterion of energy transformation and conservation are used to derive the supplementary restraint condition of buckling deformation at the front of axial compression wave.
由能量转换和守恒准则，导出压缩波阵面上的屈曲变形附加约束条件。
The expressions of energy transformation for disc brake system of drilling rigs are derived on the basis of the principle of energy conservation.
根据能量守恒原理又推导了钻机盘式刹车系统的能量转换表达式。
The relationship of coordinate transformation of arbitrary rays in an incident plane and an image plane was deduced based on the law of energy conservation.
根据能量守恒原理， 推导了高斯光束整形系统中任意光线在入射面与出射面的坐标变换关系。
Barriers will be set by both new energy resources development and energy conservation to Guangzhou, its Nansha and its economic transformation.
既有新能源资源开发和节约能源到广州，南沙及经济转型的障碍将被设置。
Is advantageous in the guidance and the promotion energy conservation mechanism face the market transition and the transformation.
有利于引导和促进节能机制面向市场的过渡和转变。
The Research on Energy-Conservation Transformation of the Extant Residence Buildings in Chongqing;
徐州地区既有住宅建筑普遍存在能耗大的问题。
The Research on Energy-Conservation Transformation of the Extant Residence Buildings in Chongqing;
徐州地区既有住宅建筑普遍存在能耗大的问题。
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