When crayfish are kept continuously in the dark, even for four to five months, their compound eyes continue to adjust on a daily schedule for daytime and nighttime vision.

当小龙虾持续被关在黑暗的环境中，即使是4到5个月，它们的复眼仍然可以继续按照日常生活时间，对昼夜视觉进行调节。

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Possess daytime and nighttime service mode.

具有日间和夜间不同的服务方式。

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In our test environment, both the daytime and nighttime parameters are set to 10.

在我们的测试环境中，daytime和nighttime参数的值都设置为10。

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The first carries compressed air, water, communications and a constant supply of electricity to power lights that are intended to simulate daytime and nighttime.

CNN: STORY HIGHLIGHTS

Work at Worldport is divided into two "sorts, " a daytime and nighttime window where packages are unloaded from arriving planes, rerouted to their next ride and sent off again.

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Parker, 51, died from a blow to the back of the head and hypothermia, presumably after the desert's daytime heat quickly turned into a nighttime chill.

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