以正二十烷 、 聚乙烯和乙丙橡胶等为原料经熔融挤出,制成正二十烷含量10%~65%的共混切粒.The blended chips containing 10 % ~65 % of n - Eicosane were fabricated with n - Eicosane, polyethylene ( PE ) and ethylene - propylene copolymer....
...a rich area with a highly developed agrarian economy.农耕经济高度发达的富饶地区Britain is free to adopt policies to bolster its economy.英国可以自由制定政策以振兴经济。...an economy capable of absorbing thousands of immigrants.能够吸纳数千移民的经济实体The ec...
她在三四十年代成了一位名导演。She became quite a notable director in the thirties and forties.导演在镜头运用上既富有美感又渲染了气氛，戏剧手法的运用也娴熟自如。The director employs sensuous, atmospheric camerawork and deft dramatic touches.单单英国广播公司就派出技术人员、导演、解说员等一行300...
水冬瓜(Idesiapolycarpavar. vestitaDiels)体内草酸钙结晶有晶簇和棱晶两种.There are two forms of calcium oxalate crystals in Idesia polyc - arpa var. vestila Diels, prisms and druses....