铜是热和电的良导体.Copper is a good medium for the conduction of heat and electricity.木头是热和电的不良导体.Wood is a poor conductor of heat and electricity.铜是电的良导体.Copper conducts electricity well....
副委员长、 秘书长 协助委员长工作.The Vice - Chairmen and the Secretary - General assist the Chairman in his work.委员长、副委员长连续任职不得超过两届.The Chairman and Vice - Chairmen of the Standing Committee shall serve no more than two consecutive ter...
商品现在可以在欧盟各国自由流通。Merchandise can now circulate freely among the EU countries.她的房子光线充足，空气流通，清新整洁。Her house is light and airy, crisp and clean.矿井中用钢制通风机来保持空气流通。The pit is ventilated by a steel fan....
OBJECTIVE To optimize conditions for extracting flavonoid compounds from Sophora alopecuroides L.目的优化苦豆子中黄酮的最佳提取工艺.Saponins and flavonoid glycosides have been found widely in natural products.皂甙和黄酮甙广泛存在于天然产物中,它们是许多中草药的活性...
Microscopially, adenoacanthoma consists of two components, adenocarcinoma and squamous cell carcinoma.镜下则包括两种成分, 即腺癌和鳞癌.Nine cases of adenoacanthoma, 3 in the esophagus and 6 in the stomach , are reported.本文报告3例食管腺棘癌和6例 ...