| 1. | Clean air is important to good health . 新鲜的空气对健康是重要的。 |
| 2. | The comparison with painting is important . 用绘画来比喻是重要的。 |
| 3. | It is important that the equipment be very rugged . 设备须非常坚固是重要的。 |
| 4. | The wheres and whens are important . 地点和时间是重要的。 |
| 5. | It is important to know where to place the stresses . 知道什么地方重读是重要的。 |
| 6. | But it's enough to make the third test important . 可是这就足以证明第三种试验是重要的。 |
| 7. | It is important to distinguish matrices from determinants . 将矩阵与行列式相区分是重要的。 |
| 8. | The parity of atomic states is important in spectroscopy . 原子状态的宇称性质在光谱中是重要的。 |
| 9. | Anorthite and albite are important calcium-containing feldspars . 钙长石与钠长石是重要的含钙长石。 |
| 10. | For good design, proper contacting of phases is essential . 对好的设计来说,两相适当的接触是重要的。 |