The conceptual design of three space debris models of ESA MASTER,NASA90 and NASA96 is introdeced in this report. Their quantitative predictions are compared for various target orbital characteristics.是什么意思_The conceptual design of three space debris models of ESA MASTER,NASA90 and NASA96 is introdeced in this report. Their quantitative predictions are compared for various target orbital characteristics.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句