连续黑暗时的发育历期比光照下的长,发育速率慢;
The growth period gets slowly and the growth speed get faster if in continues dark and high temperature.
人们发现,连续一年被关在黑暗的环境中的鲎仍然可以保持稳定的大脑活动节奏,这种稳定的节奏也使得它们的眼睛适应每日或明或暗的光线。
Horseshoe crabs kept in the dark continuously for a year were found to maintain a persistent rhythm of brain activity that similarly adapts their eyes on a daily schedule for bright or for weak light.
本周,《阿凡达》成为继去年夏天的《黑暗骑士》以后,第一部连续四周占据全美电影周票房排行榜榜首位置的电影。
This week the film became the first since The Dark Knight two summers ago to hold on to the top spot in the US film charts for four consecutive weekends.
夏天过去以后,连续几个月都是黑暗、死亡和衰败的日子。
The summer's gone and then it's darkness, death and decay for months on end.
更新后不久,哈勃便把目标锁定太空的一处黑暗区。在连续收集了四天红外光后,哈勃发现了极其微弱的物体。
Soon after the upgrades, Hubble took aim at a dark patch of sky, gathering infrared light for a total of four days to detect the very faintest objects.
为了表现接近我所能看见的黑暗场景,我在2分钟的时间内采用了7个连续不断的15秒曝光。
To render the dark scene close to what I saw I took 7 consecutive 15-second exposures in under 2 minutes interval.
译:持续的黑暗,从某种意义上来说,同夏季几个月连续不断的白昼达到了平衡。
Thee darkness is balanced, to some degree, by continuous daylight during the summer months.
最大外加电压在黑暗中可连续施加给元件的最大电压。
Max external voltage: Maximum voltage to be continuously given to component in the dark.
调整光亮和黑暗之间的区别,从鲜明的对比变为连续的灰度。
Adjust the difference between light and dark, from stark contrast to more continuous gradations of gray.
自从8月以来共2.4%的下跌是“自1992年的黑暗之日以来最大连续三月跌幅”,花旗银行的经济学家麦克尔山德士指出。
The fall of 2.4% since August was "the greatest in any three-month period since the dark days of 1992", points out Michael Saunders, an economist at Citigroup, another bank.
结果表明:(1)凡纳滨对虾在金卤灯照明的条件下生长最快(P<0.05),在日光灯的连续照明下生长最慢(P<0.05),在其他的光照条件下与黑暗对照的情况下其生长没有显著差异(P>0.05)。
The results are as follow. (1)The specific growth rates of shrimp was the highest under IOD by MHL(P<0.05), while it was the lowest under IDNby FL(P<0.05), and the former is1.5589times of the latter.
结果表明:(1)凡纳滨对虾在金卤灯照明的条件下生长最快(P<0.05),在日光灯的连续照明下生长最慢(P<0.05),在其他的光照条件下与黑暗对照的情况下其生长没有显著差异(P>0.05)。
The results are as follow. (1)The specific growth rates of shrimp was the highest under IOD by MHL(P<0.05), while it was the lowest under IDNby FL(P<0.05), and the former is1.5589times of the latter.
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