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- Self- preservation is the first law of nature. 自我保护，天经地义。
- The first law of kung fu is to defend. 功夫的第一条规矩就是防卫。
- To love our parents is the first law of nature. 爱父母是自然的首要法则。
- Self-preservation is the first law of nature. 自我保存乃自然第一法则。
- All human beings obey the first law of thermodynamics. 所有的人都在遵循热力学的第一定律。
- Clearly, a refrigerator, which is a physical system must obey not only the first law(energy conservation) but the second law of thermodynamics as well. 很明显，冷冻机是一种物理系统，因此它不仅必须遵从第一定律(能量定恒), 也必须遵从热力学的第二定律。
- first law of absorption 光吸收第一定律
- British physicist who established the mechanical theory of heat and discovered the first law of thermodynamics. 焦耳，詹姆斯·普雷斯科特1818－1889英国物理学家，为热量机械理论奠定基础，并发现了热力学第一定律
- Fick's first law of diffusion. (Image courtesy of MIT OCW. 菲克扩散第一定律。（图片由麻省理工学院开放式课程小组提供。）
- Newton's first law of motion is not as self-evident as it may seem. 牛顿第一运动定律并不是一看就能明白的。
- The standard curve and regress e-quation was made according to the linear relation of absorption and density, and the result showed that it accorded with the law of Lambert-Beer. 用表面活性剂溶液洗涤染色后的头发,测出最大波长处的吸光度,据回归方程计算出各次洗涤液中所含染发剂的浓度,推知其含量,从而预测牢固程度。
- Alike First law of Laboratories: Hot glass and cold glass look alike! 实验室第一法则:热玻璃杯和冷玻璃杯看起来是一样的。注:说这句话的人的手肯定被热玻璃杯烫过。
- Alike First law of laboratoriles: Hot glass and cold glass look alike! 实验室第一法则:热玻璃杯和冷玻璃杯看起来是一样的。注:说这句话的人的手肯定被热玻璃杯烫过了。
- Just as the first law of gain is desire, so the formula of success is BELIEF. （就好象收获的首要法则是渴望一样，成功的方程式就是“信念”。
- The answer lies in the first law of the digital age: newer is better. 答案和数字时代的价值观有关：越是新的东西越是好。
- Through plotting a graph the coincldence between the degree of absorption and concentrationaccuracy of the solution is used to check whether the solution coincides with the law of light absorp-tion. 通过作图，和用此溶注液吸光度与其浓度的精密度是否一致来检验溶液是否符合光吸收定律。
- Attenuation of light is in the form of absorption. 光是以吸收的形式衰减。
- Heat transfer changes the internal energy of both systems involved according to the First Law of Thermodynamics . 传热变化的内在能量两地的法律制度所涉及的，根据热力学第一定律。
- The first law of thermodynamics states that energy can neither be created nor destroyed. 热力学第一定律说明，能量既不能被创造，也不能被破坏。
- British physicist who established the mechanical theory of heat and discovered the first law of thermodynamics . 很明显，冷冻机是一种物理系统，因此它不仅必须遵从第一定律（能量定恒），也必须遵从热力学的第二定律。
