Objective To study the effect of different light-dark cycles on learning and memory in mice.
目的研究不同光暗循环周期对小鼠学习记忆的影响。
Objective To investigate the effect of different light-dark cycles on the growth and activity of mice.
目的探讨不同周期光暗循环对小鼠生长的影响。
Objective To investigate the effect of different light-dark cycles on total and differential counts of leukocyte as well as spontaneous locomotor activity in mice.
目的探讨不同光暗周期对小鼠白细胞数量分类计数与自发运动活动的影响。
Researchers raised baby mice from birth to weaning in either "summer" light cycles of 16 hours of light and eight hours of dark or "winter" cycles of eight hours of light and 16 hours of dark.
研究人员们将一组小鼠在“夏季”模拟光照周期下（光照16小时，无光照8小时）从出生培养至断乳期，而将另一组小鼠在“冬季”模拟光照周期下（光照8小时，无光照16小时）培养至相同时间。
In the study, researchers administered small doses of sildenafil to hamsters before adjusting the cycles of light and dark they lived in.
在这项研究中，研究者在调整仓鼠所处环境的白昼规律前，给其小剂量的昔多芬。
Our circadian clock, or biological timing system, governs our daily cycles of feeding, activity and sleep, with respect to external dark and light cycles.
我们的生物钟或生物调时系统，对外界黑夜和天明循环的反应，控制着我们每天进食、活动和睡眠的循环。
Our circadian clock, or biological timing system, governs our daily cycles of feeding, activity and sleep, with respect to external dark and light cycles.
我们的生物钟或生物调时系统，对外界黑夜和天明循环的反应，控制着我们每天进食、活动和睡眠的循环。
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