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水主要来源于古海水和大气降水,有机质来源于沉积岩中生物质;
The water mostly comes from ancient sea and atmosphere while organic material from ancient life-form.
youdao
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水主要来源于古海水和大气降水,有机质来源于沉积岩中生物质;
The water mostly comes from ancient sea and atmosphere while organic material from ancient life-form.
youdao