这一聚合物的性质目前是个商业机密。The nature of the polymer is currently a trade secret.这份材料里只有一些已公开的、非保密性质的信息。The material consisted only of already published, unclassified information.他对一些毒药的性质和作用的描述惊人地准确。Her description of the nature ...
association的近义词有:club, association, institute, league, union, society。下面这些名词均有"社团,会社,协会"的含义:club:表俱乐部或会社,其成员因志同道合,有共同兴趣、爱好而组织到一起进行社交、娱乐或体育等活动。association:指较为正式的组织,强调兴趣和需要的一致性。institute:指为专门的目标而建立的学会或研究所。league:指为了共同的目的和利...
由脂肪醇、甲胺一步催化法制取烷基二甲基胺.Alkyl dimethylamine is made from fatly alcohol and dimethyla - mine by one stage catalysis.二手甲胺回收装置和工艺, 成套甲胺装置和工艺可以在世界各地重新安装.Used Methylamines Plant and Process, complete Methylamines Plant and Proce...
It was a marvellous afternoon with a huge turnout of people.那是个美妙的下午,出席人数众多。The fighting began in the late afternoon and continued all night.战斗在傍晚时分打响,持续了一夜。We got to the beach at five of one in the afternoon.我们下午1点差5分的时...