| 1. | Two like electric charges repel each other .
同性的电荷互相排斥。 |
| 2. | Physics and astronomy are cognate science .
物理学及天文学为同性质的科学。 |
| 3. | Here we give the equations for the isotropic solids .
在这儿，我们给出适用于各项同性固体的方程。 |
| 4. | Encounters of like charges act to diminish the coagulation rate .
同性带电粒子间的碰撞作用减少凝聚率。 |
| 5. | Like charges repel each other, unlike charges attract each other .
同性电荷互相排斥，异性电荷互相吸引。 |
| 6. | The force acts along a line between the center of the bodies and is repulsive for like charges and attractive for unlike charges .
力沿两个带电体中心连线而作用，同性相斥，异性相吸。 |
| 7. | Women of fifty have an irritating habit of treating as contemporaries all persons of their own sex who are over twenty-five .
上了50岁的女人有一种恼人的习惯，她们把所有年逾25岁的与自己同性别的人当作同辈看待。 |
