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- GD can be excited by light from 300 nm to 400 nm, and emit 450-500 nm light. The decay period was above 12 hours. 30O~4 50llln紫外光能有效激发玻璃GD,发射450一520lun的蓝光,余辉时间长达12小时.
- What made the Roman Empire decay? 罗马帝国为何衰亡?
- Old civilization may fall into decay. 古老的文化可能会渐渐衰落下去。
- The empty house has fallen into decay. 那座空房已成一片颓垣。
- The tree exhibited signs of decay. 那棵树显示腐蛀的迹象。
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- His mental decay is distressing. 他的智力衰退令人苦恼。
- Growth and decay are vital processes. 生长和衰亡是生命过程。
- Childhood is a period of rapid growth. 幼年是生长迅速的时期。
- The dentist could detect no decay in her teeth. 牙医检查了她的牙,未见有龋齿。
- Cavities in teeth are caused by decay. 牙齿的蛀洞是由蛀蚀造成的。
- He consulted the chronicles of the period. 他参考了这一时期的编年史。
- The results of thermal analysis showed that the DTA, TG and DTG curve of remainders had the similar shapes in different decaying periods. 热分析的结果显示,不同腐解期腐解物的DTA、TG和DTG曲线的形状基本相似。
- Human remains, especially after cremation or decay. 骨灰人的遗骸,尤指在火化或腐烂后
- He had to decide within a given period. 他得在一定时间内作出决定。
- She has a detailed knowledge of this period. 她对这段时期的情况了解地相当详细。
- A source of spreading corruption or decay. 腐败的原因传布腐败或腐朽的根源
- In that period auto sales hit a14-year low. 这时期汽车销售量达到14年来最低水平。
- In this period, unemployment reaches record levels. 这段时间的失业人数又达到了创纪录水平。