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1·There are a number of ways in which one can construct a triplet code.

建立三联体密码可以有几种不同方式。

2·In the genetic code that life has used up to now, there are 64 possible triplet combinations of the four nucleotide letters; these genetic words are called codons.

从生命开始使用遗传密码到现在，核苷酸的四个字母的三重组合有64个可能，这些遗传“字词”被称为密码子。