planetary

行星的英释中释adjPlanetary means relating to or belonging to planets

1 planetary gear,行星齿轮

2 planetary gear transmission,行星齿轮传动

3 planetary transmission,行星齿轮变速箱

4 planetary motion,行星运动

5 planetary gear train,行星轮系

6 planetary nebula,行星状星云

7 planetary boundary layer,行星边界层；地表边界层

8 planetary system,行星系

1 Within our own galaxy there are probably tens of thousands of planetary systems..在我们所在的银河系中，很可能存在数以万计的行星系。