再次检查合成出的产物并更正其中错误的过程。dna聚合酶和rna聚合酶都具有一定的校正能力，以防止所合成的链中存在错误。
The process of rechecking work and correcting errors. DNA polymerase and RNA polymerase both have some ability to proofread the strands they are synthesizing.
再次检查合成出的产物并更正其中错误的过程。dna聚合酶和rna聚合酶都具有一定的校正能力，以防止所合成的链中存在错误。
The process of rechecking work and correcting errors. DNA polymerase and RNA polymerase both have some ability to proofread the strands they are synthesizing.
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