对元素应用渐变色背景，控制每个元素的定时。
Apply a graduated color background to an element, controlling the timing for each.
分析大姚铜矿砂岩类的常量元素，反映其成岩成矿的构造背景，砂岩铜矿中碎屑岩的常量元素特征主要受物源区控制。
The major elements of clastic rocks in sandstone copper deposit are controlled by the tectonic setting of source area.
分析大姚铜矿砂岩类的常量元素，反映其成岩成矿的构造背景，砂岩铜矿中碎屑岩的常量元素特征主要受物源区控制。
The major elements of clastic rocks in sandstone copper deposit are controlled by the tectonic setting of source area.
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