当照度低于约1勒克司时，锥状细胞就不再起作用。
When the lighting level falls below about 1 lux the cones cease to act.
船舶尾轴的辛泼来克司密封环形状非常复杂，用一般方法难以进行分析。
The shape of the Simplex stern tube seal ring is so complicated that its characters can not be analysed by ordinary methods.
莎利特，弗利和卡司克都坚称她们的工作是为了给年轻女性提供更多的选择，我想没人认为多一些选择是坏事。
Shalit, Foley and Kasic all insist that their work is about giving young women choices, and I don't think anyone would argue that increased options are a bad thing.
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