飞行员在黑暗条件下飞行并到达模拟环境，在海豹队员用速降绳降落的时候飞机处于悬停状态。
The pilots flew in the dark arrived at the simulated compound and settled into a hover while the SEALs fast-roped down.
在黑暗和散射光的照射下病斑都能产孢，但在黑暗条件下的产孢量明显高于在散射光条件下的产孢量。
Lesion can produce spores under either direct light or black light, but under blacklight can produce more spore than under direct light.
在完全黑暗的条件下，根本无法进行光合作用，但绝大多数光养生物都通过依赖混合营养体的营养循环生存了下来。
No photosynthesis could take place under the complete darkness, but the phototrophs mostly managed to survive based on nutrients cycled by the active mixotrophs.
在昏暗光条件下的海马比起黑暗环境下的海马减少了重要的树突棘。
The hippocampi from the dim-light group had significantly fewer dendritic spines than those from the dark night group.
在适当的条件下，就能够观察到一系列明亮和黑暗的条带。
It is possible under suitable conditions to observe a series of bright and dark bands.
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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