Joule-Lenz's law

例句：

1. 1. This law statesthat the force of gravity is directly proportionalto the mass of an object.
   这个定律表明，重力的大小与物体的质量成正比。
2. 2.The law was established by J. Lenz in 1846 andhas been widely applied in various fields.
   该定律由J. Lenz于1846年提出，并在各个领域得到了广泛应用。
3. 3. Theapplication of this law has greatlyimproved our understanding of the universe.
   这一定律的应用极大地增进了我们对宇宙的理解。