| 1. | 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。 |
| 2. | 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。 |
| 3. | 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。 |
| 4. | 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。 |
| 5. | 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 。 |
| 6. | Induced by their orbital motion will affect the spectra . such systems are called spectroscopic binaries
，会令光谱中的吸收线产生周期性的偏移，让我们得知这系统的公转周期。 |
| 7. | For example , a source located over the north pole will not be doppler shifted by the daily rotation but will be affected by the earth ' s orbital motion
举例来说，在北极上空的波源不会因为每日的自旋而产生多普勒偏移，但却会被地球绕太阳运行所影响。 |
| 8. | Experiments results show that the developed method can compensate the electrode orbital motion , and improve the machining precision of the mold effectively
结果表明，该补偿技术有效地解决了电极摇动的加工补偿问题，能够较大地提高模具产品的加工精度。 |
| 9. | Theorists , however , have had trouble trying to establish how the matter in the ring loses enough of its orbital motion to fall into the hole in the first place
然而，理论工作者首先遇到的难题是无法确认环状星云的物质是如何偏离自己的轨道而掉进黑洞的。 |
| 10. | Although black hole is invisible by definition , astronomers can " detect " black hole in the galactic centre by studying the orbital motions of stars closely around the black hole
虽然在理论上黑洞是看不见的，但是天文学家可藉著研究它附近恒星的运行轨迹，来侦察它的存在。 |
