| 1. | It is made up of a superposition of harmonics . 它的谱由一组线条组成。 |
| 2. | It all happened because of a cat . 这件事完全是由一只猫促成的。 |
| 3. | This school is maintained by a charity . 该校由一慈善机构资助。 |
| 4. | He was pensione off and replaced with a younger man . 他被迫退休,由一年轻人接替。 |
| 5. | I entered the village by the little roundabout lane . 我由一条迂回曲折的小径进了村。 |
| 6. | Its solution consists as usual of a complementary function . 其解照常由一余函数组成。 |
| 7. | Her place had been supplied by an excellent woman . 她的职位也早由一位杰出的妇女填补上了。 |
| 8. | It consists of a stack of flat, membrane-bounded sacs . 它由一大堆扁平的膜缘清楚的囊组成。 |
| 9. | Sales and manufacturing were under the same vice-president . 生产和销售都由一位副总裁主管。 |
| 10. | Its lower end is anchored at the erection truss by a clamp . 其下端由一夹钳锚定在施工桁梁上。 |