高熔体强度聚丙烯 ( HMSPP ) 是聚丙烯的一种重要改性产品,具有广泛的用途.High melt strength polypropylene ( HMSPP ) is an important product of polypropylene modification with wide application....
Sori borne near the costule, indusium spherical, membranous.孢子囊群靠近中脉著生;囊群盖球形, 膜质.Thellos thellon , membranous layer of life is our only home.薄薄的膜层就是咱们独一的家园.Others are born live , after struggling to break free from a mem...
亦译生成语法.会生成一种语言的全部合乎文法句子的限定形式规则.Finite set of formal rules that will produce all the grammatical sentences of a language.拍立得(亦译宝丽莱)照相机 ( 一次成像的 ).Polaroid camera ( camera that can produce photographs within seconds after t...