因而该颗被谈论的卫星在太平洋上，或者在格林尼治时区之后的几个钟头是处于黑暗状态之下的。
So the satellite in question is in the dark, over the Pacific or hours behind Greenwich in time zones.
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.
因为在黑暗状态下当处于胚胎阶段，利用诱导，可能会使半胚胎细胞发育成全能细胞，但光会影响这个过程。
It may be the backlit conditions that make the semi-embryonic cell develop into all-round cell during the inductive period of the embryo, with light affecting the process.
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