| 1. | A cyclone in the tropics is caused by a smaller area of low pressure .
热带暴风是由小面积低压引起的。 |
| 2. | Our result will be most applicable to molecules in the gas phase at low pressure .
我们的结果对在低压下的气相分子最适合。 |
| 3. | At only slightly lower pressure levels "low pressure extinction" will occur .
只要压力稍微降低一些，就将发生“低压熄灭”。 |
| 4. | The effect of these catalysts is greater at low pressures than at high pressures .
在低压下这些催化剂的作用要比在高压下为大。 |
| 5. | A region of low pressure with roughly concentric isobars is known technically as a cyclone .
具有大致同心的等压线的低压区在技术上称为气旋。 |
| 6. | At sufficiently high temperature and low pressure this ratio approaches the value r for an ideal gas .
在足够高的温度和足够低的压力下，这个比值趋于理想气体的R值。 |
| 7. | If the bulb of a gas thermometer is placed in successively colder environments, it records successively lower pressures .
如果把气体温度计测温泡逐一放进渐渐变冷的各个环境中去，它所记录的压强值也就递减。 |
| 8. | The trough of low pressure will weaken early next week
该低压槽将于下周初减弱。 |
| 9. | Galvanized welded steel pipe for low pressure service
低压流体输送用镀锌焊接钢管 |
