| 1. | Manufacturer ' s maxumum total mass
厂定最大总质量 |
| 2. | Maximum autohrozed total mass
最大允许总质量 |
| 3. | Maximum design total mass
最大设计总质量 |
| 4. | It is about 1000 times more massive than the sum of all other objects in our solar system
处于中心的太阳，其质量为太阳系其他所有成员的总质量的1000倍。 |
| 5. | Overall length of the relatively modest station would be about 20 m , with a total mass of under 40 tonnes
这个相对不大的空间站总长度大约20米，总质量低于40吨。 |
| 6. | Although most galaxies have a central black hole , it is a small fraction of the galaxy ' s mass
虽然大多数星系中心都有一个黑洞，但那只占了星系总质量的一小部份。 |
| 7. | Answer : ( the pillar of 1 ) ladder needs to be able to bear the total mass when the staff member carries tool scale
答： ( 1 )梯子的支柱需能承受工作人员携带工具攀登时的总质量。 |
| 8. | Mean sea level variations are caused by the changes of sea water density and global ocean mass , it is an important content of studying global climate change
摘要海平面变化是海水密度和海水总质量变化的结果，是全球气候变化研究的重要内容之一。 |
| 9. | It is very difficult to measure directly the total mass of the universe because most of the matter in the universe is dark matter , which do not give out light
可是要直接测量出宇宙的总质量是很困难的，宇宙中大部分的物质似乎都不发光，称为暗黑物质。 |
| 10. | For a compound particle , the constituents ' rest mass and also their kinetic energy of motion and potential energy of interactions contribute to the particle ' s total mass
对于复合粒子来说，每个组成粒子的静止质量、动能以及交互作用的位能，都会贡献到粒子的总质量。 |
