单词	石质地
释义	石质地stony land
随便看	orbiting geophysical observatory orbiting geophysical observatory (ogo) orbiting geophysical observatory，ogo orbiting satellite orbiting solar observatory orbiting solar observatory (oso) orbiting space station orbiting telescope orbit injection orbit injection error orbit injection phase orbit insertion orbit--insertion orbit-- interplanetary orbit; interplanetary orbit keeping orbit-- keplerian orbit; keplerian orbit lifetime of orbit lifetime of satellite orbit maneuver orbit maneuver vehicle orbit measurement orbit moment orbit-motion