现今太阳走到我们山谷西面石璧的背后，而这里正在变得更黑、更<石竹>色、更冷，更多紫色系的色调开始偷偷穿过那些突出的尖端。
By now the sun was gone behind the western wall of our valley and it was getting darker, pinker, colder, more hues of purple began to steal across the jags.
通过分析瓦斯涌出量的主要影响因素，运用灰色系统理论并结合权重理论对下石节煤矿瓦斯涌出量主控因素进行了研究，并对主要影响因素进行了排序。
By analyzing main effect factors, using grey system theory the paper studies the main controlled factors of gas emission quantity in Xiashijie coalmine and sequences the main controlled factors.
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