| 1. | In a vacuum, gamma rays travel in straight lines with the speed of light .
真空中，射线以光速沿直线前进。 |
| 2. | The speed of light in free space is one of the fundamental constants of nature .
真空中光的速率是自然界的基本常数之一。 |
| 3. | In the first few hours after my nomination, i was as if suspended in a vacuum .
在我被报名后的数小时内，我感到似乎停留在真空中。 |
| 4. | In the present chapter we shall assume that the charges or conductors are in otherwise empty space .
在这一章里，我们将假设电荷或导体都在真空中。 |
| 5. | The surface energy of mica cleaved in vacuum is about ten times that of mica cleaved in air .
在真空中剖开的云母的表面能比在空气中剖开的云母的表面能大十倍左右。 |
| 6. | The statement should be qualified and should specify that all bodies fall at the same rate in a vacuum .
这个论述应加以限定，并修正如下：所有物体在真空中以相同速度降落。 |
| 7. | He has lived in a vacuum for eighteen years, cloyed by the representative and unique longings of any youth .
他在真空中生活了十八年，腻味了年轻人那一套典型的、独特的向往和追求。 |
| 8. | This method involves freezing the protein solution on the walls of a round bottomed flask and sublimating the liquid in a vacuum .
这个方法包括将蛋白质溶液在圆底烧瓶的瓶壁上冰冻，和在真空中让液体升华。 |
| 9. | It ' s impossible to achieve success in a vacuum
在真空中的人是无法成功的。 |
