人血SOD分别 经右旋糖苷及聚蔗糖两种修饰剂共价修饰后,仍保留其紫外、荧光吸收特性及SOD的酶活性. The modified hSOD still remains native SOD activity with similar characteristics of ultraviolet and fluorescent absorption.
寄一盘新磁带过去不合算。It would be uneconomical to send a brand new tape.我听到了其中一盘录音带的回放。I heard a playback of one of the tapes.我发现一盘被弄坏的盒式磁带丢在废纸篓里。I dis-covered a mutilated cassette stuffed in a waste-basket....