定律

• This equation is known as the ideal gas law .
  这个等式被叫做理想气体定律。
• The third law of motion is easy to demonstrate .
  第三运动定律是容易示证的。
• Newton's law of universal gravitation is valid .
  牛顿万有引力定律是正确的。
• We assume that the bodies obey newton's third law .
  设物体遵从牛顿第三定律。
• We have to submit to law of gravity .
  我们必须服从引力定律。
• The second law says you can't even break even .
  第二定律说你甚至不能打个平手。
• Stresses can be calculated by use of hooker's law .
  胁强可以利用胡克定律算出。
• The invariance of physical laws enters in two ways .
  物理定律的不变性以两种方式体现
• Potentials may be summed by the law of algebraic addition .
  势可用代数和的定律来相加。
• The concepts of physics can not be divorced from its laws .
  物理概念不能脱离物理定律。