ISDN connectivity allows computers to communicate over a network.综合业务数字网连接实现了计算机网络通讯。By contrast, ISDN basic service provides symmetrical 128 Kbps service within 18,000 feet of the central office.与之相反, ISDN的基本服务在距电话局的1.8...
A new type gemini surfactant was synthesized from 1,4 - butanediol , maleic anhydride and 1 - octadecanol.采用1,4- 丁二醇 、 马来酸酐及十八醇为主要原料,合成出一种双子表面活性剂1, 4- 丁二醇双琥珀酸十八醇双酯磺酸钠.The catalysis of big pore strong acid resin for 1, 4 ...
McTeague exhibited his hard , calloused palms.麦克梯格摊开那双生满老茧坚硬的手掌.He sighed, and laid his calloused fist on the table.他叹了口气, 把长满老茧地拳头摁在了桌上.His hands have become calloused, because he does heavy manual work every day.他的手每天都...
The children were squabbling over the remote-control gadget for the television.孩子们正在为抢夺电视机的遥控器而争吵。The meeting degenerated into petty squabbling.会议变成了无聊的扯皮。My sisters were squabbling over what to watch on TV.我的姐妹正为看哪个电视节目...
这是间谍罪，应判死刑。It was a crime of espionage and carried the death penalty.她的助手被警方指控犯有盗窃和欺诈罪。Her assistant was accused of theft and fraud by the police.她因受到挑衅而过失杀人的有罪答辩被驳回。Her plea of guilty to manslaughter through provocation...
I then begin to improvise melodies vocally.接着我开始哼起即兴创作的旋律。The two melodies are played in counterpoint.用对位法来演奏这两首曲调。And now for your further delectation, we present a selection of popular melodies.为使你们更加愉快, 我们奉献给你们一组精选的流行...