短語詞組短語elliptical l orbit 衛(wèi)星橢圓軌道high elliptical parking orbit 大橢圓停泊軌道elliptical reference orbit 橢圓參考軌道quantized elliptical orbit 量子化橢圓軌道high elliptical orbit 高橢圓率軌道LEOLow Elliptical Orbit 低橢圓的軌道highly -elliptical orbit 大扁率橢圓軌道its elliptical orbit 橢圓軌道highly elliptical orbit 高橢圓軌道;軌道;第四個(gè)是橢圓軌道 返回 elliptical orbit