本文对新近研制的一种载波主群信号编码设备作技术介绍。
This paper gives a technical introduction ot a newly developed equipment for FDM master-group signal encoding.
上面是曝光时间是20分钟的照片，在狮子座流星主群出现之前。
This photograph is a 20-minute exposure ending just before the main Leonids peak began.
说到睿智的声音，能够成为连线科学版的博主群中的一员，我非常激动。
Speaking of smart voices, I'm absolutely thrilled to be part of the new network of bloggers here at Wired Science.
我国伊氏锥虫同世界各地伊氏锥虫同工酶主群相似，与伊氏锥虫同工酶次群有区别。
The T. evansi isolated from China were similar to the major isoenzyme group of T. evansi around the world, but differed from the minor isoenzyme group of T. evansi.
中国网络广告业也拥有了真正意义上的广告主群体，据统计，2001年40%的网络广告来自于传统企业。
China's Internet advertising industry also has a true sense of the group of advertisers, according to the statistics, in 2001 40% of Internet advertising from traditional businesses.
中国网络广告业也拥有了真正意义上的广告主群体，据统计，2001年40%的网络广告来自于传统企业。
China's Internet advertising industry also has a true sense of the group of advertisers, according to the statistics, in 2001 40% of Internet advertising from traditional businesses.
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