Without specific basepairing, the replication enzymes cannot specify a complementary strand, and gaps are left after the passing of a replication fork.
失去特定的碱基互补配对，复制酶系就不能合成模板链的互补链，而是在经过复制叉后留下一个裂口。
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This paper focuses on the mechanism of the material transfer with symmetrically-pairing and asymmetrically-pairing contacts made of silver-base materials at make and at break of electric contacts.