Firstly, on the base of analysis synthetically the forward study on the eco-environment and oasis in arid zone, detailed introduction to the basic RS theory and method.是什么意思_Firstly, on the base of analysis synthetically the forward study on the eco-environment and oasis in arid zone, detailed introduction to the basic RS theory and method.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句