| 1. | The orbits of the planets are ellipses with the sun at one focus . 行星的轨道是以太阳作为焦点之一的椭圆。 |
| 2. | The earth revolves around the sun in an ellipse with the sun at one of the foci . 地球在以太阳为焦点的椭圆上围绕太阳公转。 |
| 3. | They imagined the existence of a physical medium-the ether-filling all of space . 他们想象存在一种充满整个空间的物理介质--以太。 |
| 4. | General relativity has reintroduced a new and subtle "ether" space-time itself . 广义相对论再度引进一个新的,难以想象的“以太”--空时本身。 |
| 5. | The simplest such trickery to imagine is that the earth drags some of the ether along with itself . 想像中的最简单的这类作弄,是地球曳着部分以太和它一道运动。 |
| 6. | The null result of the michelson-morley experiment suggests that the effects of the ether are undetectable . 迈克耳孙-莫雷实验的否定结果使人想到,以太的效应是不能检查到的。 |
| 7. | Many experiments in the late 1800s had been designed to detect an ether in which light might move . 十九世纪后期,人们曾经设计了许多实验,想探测出某种能够让光在其中运动的以太。 |
| 8. | Maxwell's field equations described this measurable disturbance of the medium without explicitly discussing the ether itself . 麦克斯韦电磁场方程描写了媒质的这种可测量的扰动,而不去详细讨论以太本身。 |
| 9. | The gas pressure eventually overcomes the force of solar gravity and the corona inevitably expands into space as the solar wind . 这里的气体压强最终会超过太阳的引力作用,使日冕终于只好以太阳风的形式向空间膨胀。 |
| 10. | Gigabit ethernet protocol and its advantages 千兆以太网的协议体系结构及优势分析 |