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- energy mass equivalence 能量质量当量
- There are to primary types of black hole, supermassive and stellar.Supermassive black holes which have the mass equivalent to billions of suns exis int he centre of most galaxys, including our own! 黑洞是一块区域的空间容器,在它的中心地带,一些事物挤在一个密度非常大的点上,这个称之为异物(如同异样的能量一样,是宇宙大爆炸的第一个产物).;重力的拉力是如此的强大,以至于任何事物,包括光也不能避免。
- It is possible to transmute one form of energy into another. 把某种形态的能量改变成另一形态的能量是可能的。
- Young people usually have more energy than the old. 青年人通常比老年人精力充沛。
- The industry felt the effects of the energy crisis. 该工业受到能源危机的影响。
- I rallied all my energy for further effort. 我振作精神以做再次的努力。
- Kinetic energy is the energy arising from motion. 动能就是由于运动而产生的能量。
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- It is important to conserve energy. 节省能源十分重要。
- All of the available energy has gone into mass. 全部资用能都已形成质量。
- Mass is indeed a very compact form of energy! 质量的确是能量的一种非常密集的形式。
- Nuclear energy remains a double-headed creature. 核能依然是一种有利也有弊的能原。
- As a matter of fact, light is a form of energy. 其实,光是能的一种形式。
- The move water have mechanical energy. 流动的水拥有机械能。
- Who discovered the conservation of energy? 谁发现了能量守恒?
- The sun is the ultimate source of energy. 太阳是能量的最基本来源。
- Einstein studied the relation of energy and mass. 爱因斯坦研究了能量与质量的关系。
- We can use solar energy to do many things today. 如今,我们可以利用太阳能做很多事情。
- It is easier to say that the equivalence of mass and energy is an experimental fact. 说质能等效性是实验事实,那是毫不费力的。
- Kept the thermostat lower to conserve energy. 减少自动调温机的使用以节约能源