环烯烃共聚物的自然形态,类似玻璃.COC transparency similar to glass in its natural form.典型环烯烃共聚物材料,比高密度聚乙烯和聚丙烯模量较高.Typical COC material will have a higher modulus than HDPE and PP.报道了在低温条件下, 以邻二酮和α-环烯酮为原料与炔钠反应,合成了2,3, 4,5-四甲基-1-乙炔基-2-烯-环...
The camera combines rugged reliability with unequalled optical performance and speed.这款相机既坚固耐用，又有超凡的光学性能和快门速度。This record figure was unequalled for 13 years.这项纪录保持了13年，无人能破。an unequalled record of success空前的成功纪录...
他已经实现了他3年前的奋斗目标。He has achieved what he set out to do three years ago.他为自由和正义的事业而奋斗.He stood for the cause of liberty and justice.他说不论发生什么事, 他都要奋斗到底.He said that whatever happened, he would see the struggle through....
这两个组同意相互协作。The two groups agreed to cooperate with each other.可他能够跟我们现有的球队协作 吗 ?But will he be able to work in with our existing team?厂际协作和互相帮助已蔚然成风.Co - ordination and mutual help between factories has become the order ...