ion spot 中文意思是什麼
ion spot
解釋
離子斑點-
Based on spot survey and incombinat ion with literature investigation, the existing problems and facing challenges a nd opportunities of the agricultural scientific and technical periodicals under the market economy system are analyzed
本項研究通過實地調查與文獻調查相結合的方法,分析了市場經濟體制下農業科技期刊存在的問題以及面臨的機遇與挑戰。
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