同位素的�现为探明许多生�的奥秘起了很重要的作用1用18o标记二氧化碳使其参与光合作用再经有氧�吸则18o转移的途径是2如果用 Template




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tomski同位素的�现为探明许多生�的奥秘起了很重要的作用1用18o标记二氧化碳使其参与光合作用再经有氧�吸则18o转移的途径是2如果用 coloring