在这些老鼠断奶后，他们被放置在相同的光照周期中长达数周，或转换到相反的光照环境。
After they were weaned, they were kept in the same light cycle for several weeks or switched to the opposite one.
上世纪20年代全家在银行倒闭失去家宅后迁居到了比特鲁特山区，此后，这位野外活动专家便在“窘迫”的家境中长大。
He was fit enough: an outdoorsman raised in “awful” poverty in the Bitterroot mountains of Montana, after his family had lost their homestead in a bank collapse in the 1920s.
将改进后的程序应用于1993年和1996年华南地区地壳的面波品质因子——Q值的实际反演，为中长期地震预报和地震趋势分析提供背景资料。
The inversion result, the distribution of Surface waves Q value for South China in 1993 and 1996 will offer some background information about medium - long term earthquake prediction.
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