The recovery of tracer shows whether the field tracer data can be used to calculate the transport sediment rate or the infill rate of sed iment.是什么意思_The recovery of tracer shows whether the field tracer data can be used to calculate the transport sediment rate or the infill rate of sed iment.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句