他抬起头来用一双混浊无神的眼睛疑惑地看着巴顿。
即使是这样，还需要有大量的其它各类能够导致混浊的吸收光线，并且是能够潜在地屏蔽因火星的移动而产生的信号。
Even so, there are a great many absorption lines of other sorts that can lead to confusion, with different lines potentially masking the signal depending on whether Mars is coming or going.
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