The developments of manufacturing technology and research on ethylidene norbornene abroad were reviewed with 71 references. 介绍了国外亚乙基降冰片烯的生产技术和科研工作的进展情况.
A Delta II rocket was launched from Cape Canaveral early this morning.今天一早，一枚“德尔塔”Ⅱ型火箭在卡纳维拉尔角发射升空。The storms had abated by the time they rounded Cape Horn.他们绕过合恩角时，暴风雨已经减弱。When the boat reached Cape Town, we said a tempo...
He presided at the trial of the Maguire Seven...他主审马圭尔等七人案。He presided at the trial of the Maguire Seven.他主审马圭尔等七人案。An Anglican diocesan court presided over by a bishop's chancellor or commissary.教区法庭由主教秘书或代理主教主持的英国...
内部的口袋将是和外部的乙烯基相同的颜色.Inside pockets shall be same color as outer vinyl.为了增强紧凑性,折边的榻榻米周围还布置了乙烯基塑料地板.To advance its tenseness , hemmed tatamis were arranged together with vinyl flooring.以二丙酮醇和丙烯腈为原料,利用简便、温和的反应条件合成新型乙烯基功能单体-...