The measurability of effects on reducing the frequency noise was indicated.指出了低频降噪效果的可测性.Frequency synthesizer is the hardcore of a electronic system.频率合成器是电子系统的核心部件.Therefore, a LRC filter is designed and the harmonic o...
她不时地从旁边的幕帐向外窥视.She kept peering through the side curtain.她走过去,从旁边椅子上拿过他的晨衣,用手擎着,侍候着他更衣.She went and got his robe from the nearby chair to hold it for him.他们时常看见亨特骑着自行车从旁边经过, 满面愁容.They often saw Hunter pass by on his bicy...
化石燃料（如煤和石油）属于有限资源。The fossil fuels (coal and oil) are finite resources.由于资源的减少，大学正面临严峻的问题。Universities are facing grave problems because of diminishing resources.并不是他们把全球的资源耗费殆尽的。It isn't them who use up the world&#...