Aurora felt the opium haze enfold her...奥萝拉感觉自己被笼罩在鸦片烟霾中。The aurora is one of nature's most awesome spectacles.极光是自然界最可畏的奇观之一.Aurora Greenway: Why should I be happy about being a grandmother?我为什么要因为快成为奶奶而高兴?Aurora G...
The electromagnetic spectrum covers an enormous range of frequencies and energies.电磁波谱包括极大的频率和能量范围.Television systems, which transmit 30 picture frames per second, must operate on a broad electromagnetic spectrum.每秒传输30幅...
对广大跨国企业免收房屋租赁服务费, 1小时内反馈服务信息.For multinational enterprises, house lease service charge free, service information feedback in 1 hour.因此, 内反馈斩波调速装置是风机水泵调速节能的首选设备.Finally, the internal feedback chopper regulator is the pref...