presense

presense

美 　英

• 网络预警系统；安全系统

例句

An epoxy modified acrylic emulsion was prepared at the presense of salt formed by epoxy resin and acrylic resin.

采用环氧树脂与丙烯酸树脂成盐的方法，制得水性环氧丙烯酸树脂。

I'll sign in the presense of all the representatives.

我要当着所有代表的面签字。