常見例句雙語例句Trace element analysis;痕量元素分析；The regularity of random error of trace element analysis is discussed.本文討論了痕量元素分析中隨機(jī)誤差的槼律性。The trace element analysis by its dolomite, dolomite to explore its causes.本次通過對(duì)其白雲(yún)巖儲(chǔ)層微量元素分析，來探討其白雲(yún)巖儲(chǔ)層成因。www.stae.com.cn 返回 trace element analysis