earth equatorial plane

基本解釋

The sundial has its plate parallel to the equatorial plane of the earth, so it is called "equatorial sundia".
晷盤平行于地球赤道面，因而叫“赤道式日晷”。
All geostationary satellites orbit the earth in the equatorial plane at a height of 35,785 km above the equator and stand still at a fixed azimuth and altitude for an observer on the earth surface.
所有的地球同步衛(wèi)星都在赤道上空35，785 km高度運(yùn)行，相對(duì)于地面觀測(cè)者來說，它們的方位角和高度角是始終不變的。
Because of its oblate shape, the moment of inertia of the earth is a maximum about the polar axis and minimum about an axis in the equatorial plane.
由于地球是扁球體，繞極軸慣量矩最大，而繞在赤道面內(nèi)的軸的慣量矩最。