Much ancillary data are needed for computing the attenuating effects of the vegetation layer in the soil moisture retrieval model before,and the ancillary data are often unavailable.是什么意思_Much ancillary data are needed for computing the attenuating effects of the vegetation layer in the soil moisture retrieval model before,and the ancillary data are often unavailable.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句