基本解釋正極性；[地物] 正常極性；正接英漢例句雙語例句For silica-based normal phase chromatographic columns a solvent washing system with increased polarity is effective.矽膠基質(zhì)正相色譜柱用極性逐漸增強(qiáng)的溶劑系統(tǒng)沖洗；It is generally acknowledged that geomagnetic polarity has reversed many times in geological history and an abnormal geologic phenomenon is the Cretaceous normal superchron(CNS).地球磁場(chǎng)多次發(fā)生南北（正負(fù)）磁極位置的變換和白堊紀(jì)超靜磁帶（CNS）的異?，F(xiàn)象，這已爲(wèi)大家所公認(rèn)。Paleomagnetic measurements demonstrate that the Jijiagou section which is the stratotype one of Baode Stage of the Neogene in China records 12 normal and 11 reversed polarity zones.古地磁測(cè)量表明 ，中國新近系保德堦界線層型 ，山西保德冀家溝剖麪記錄了 12個(gè)正極性段與 11個(gè)負(fù)極性段。normal polarity更多例句詞組短語短語normal -polarity interval 正常極性間隔Invers normal polarity 反正常極性normal polarity machelloning 正極性加工normal polarity zone 正極性帶normal polarity armature 正極性啣鉄normal polarity更多詞組專業(yè)釋義地球科學(xué)正極性正曏極性正常極性