常見例句By simulating methods, the effect of ethanol on soil urease activity was studied systemati cally. 摘要通過模擬方法，較系統(tǒng)地研究了乙醇對土壤脲酶活性的影響。Irwin RS,Madn JA,Parki S.Difficult-to control asthma.Comtrbuting factons and octcome of a systematis mangement protocol[J].Chest,1993,103(6):1662. 中華醫(yī)學會呼吸病分會哮喘學組.;支氣管哮喘防治指南[J]tractus systematis nervorum centraiis [醫(yī)] 中樞神經(jīng)系統(tǒng)纖維束nuclei systematis nervosi centralis [醫(yī)] 中樞神經(jīng)系諸核rami pulmonales systematis autonomici 自主性交感神經(jīng)肺支pars abdominalis systematis autonomici 自主神經(jīng)系統(tǒng)腹部部分 返回 systematiser