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关注：1
2013-05-23 12:21
求翻译：The greatest saving effects are achieved by lighting management systems that harness incident daylight. With them, artificial lighting is activated or slowly and steplessly raised only when the daylight available is not sufficient – and it can be deactivated completely when there is enough natural brightness around.是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
The greatest saving effects are achieved by lighting management systems that harness incident daylight. With them, artificial lighting is activated or slowly and steplessly raised only when the daylight available is not sufficient – and it can be deactivated completely when there is enough natural brightness around.
问题补充： |
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