| 1. | Both target and projectile orbit the primary .
无论靶体还是射体都在绕主天体作轨道运动。 |
| 2. | The major semiaxis a and p of the relative orbital motion are known .
我们知道其相对轨道运动的主要半长轴a和周期p。 |
| 3. | This motion of an object in an orbit about a center is called revolution .
像这种一个物体环绕某个中心所作的轨道运动叫做公转。 |
| 4. | The magnetic fields produced by the orbital motions of the electrons in filled shells also cancel in pairs .
满壳层中电子的轨道运动所产生的磁场也被成对地抵消了。 |
| 5. | Though it is popular to speak of the moon as a dead world, an orbiting cinder, scientists are not so sure .
虽然人们通常都说月球是一个死的世界，一团环绕轨道运动的溶滓，科学家可不那么断定。 |
| 6. | Spin-orbit coupling is the interaction between the spin magnetic moment of an electron and magnetic field generated by its orbital motion .
自旋-轨道耦合是电子的自旋磁矩和由轨道运动产生的磁场之间的相互作用。 |
| 7. | A strong magnetic field in a resonant cavity is an ideal circumstance for initiating the spins and orbital motions of electrons and nuclei in solids .
谐振腔中的强磁场是激发起固体中电子和原子核的自旋和轨道运动的理想环境。 |
| 8. | The stars within them appear to move in random orbits
其内部恒星似乎是沿着随机的轨道运动。 |
| 9. | The major semiaxis a and p of the relative orbital motion are known
我们知道其相对轨道运动的主要半长轴a和周期p 。 |
| 10. | The crossbeam will support the rotating floor , the upright column and its moving while moving in the guide track
横梁既要支撑转台、立柱及其运动,又要沿横向轨道运动。 |
