But it is extremely attractive to planners concerned with sweeping up the large amount of space junk that now circles the planet in the form of dead satellites and spent upper stages of rockets 但是对于希望扫除环绕行星的大量太空垃圾(如报废的人造卫星及耗损的火箭上节)的计画者来说,非常具有吸引力。
环绕: embrace; surround; encircle; ...行星: planet的: 4次方是 The fourth power of 2 i ...围绕行星的: circumplanetary行星的: planetary环绕恒星的: circumstellar小行星的: planetoidal行星的爱情: the love of the planet行星的定义: definition of planet行星的卫星: body that moves round a planet other than the earth远离行星的: far beyond the planets行星的地球仪: planetary globe行星的可居性: b. planet habitability绕行星返地轨道: swing-around trajectory绕行星飞行任务: planet fly by mission接近行星的制导: planetary approach guidance跨越火星的小行星: mars-crossing asteroids类似行星的物体: planetoidal形成行星的涡流: planetogenic vortex行星的潮汐影响: tidal influence of the planet小行星;类似行星的物体: planetoid绕行: passing round; make a detour◇绕行道 runaround; 绕行方位群 [航海学] round of bearings行星的顺向和逆向运动: progressive and retrograde motion of planets预计的行星的着陆点: planned planetary landing point环绕: embrace; surround; encircle; revolve around 树林环绕的山谷 a valley embraced by forests; 地球环绕太阳运行。 the earth revolves round the sun