But evolution also requires repeated replication and mutation to generate the variation upon which selection works to give adaptive solutions.

但是进化还需要反复复制和突变产生赖以选择的变异，从而给予适应性解决方案。

youdao

When a new variation of an abstraction comes up, your code still works.

当提出了抽象的一个新实现时，你的代码仍然可以正常运行。

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"Drawings" means the Employer's drawings of the Works as listed in the Appendix, and any Variation to such drawings.

图纸“系指附录中所列雇主的工程图纸，以及对此类图纸的任何变更。”

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In 2003, then-Georgia Labor Commissioner Michael Thurmond, a Democrat, launched Georgia Works, a variation of the Oregon plan.

FORBES: One Good Idea in Obama's American Jobs Act

In this case, the idea was simply replicating what works in America: starting a Brazilian variation of Diapers.com.

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It's a variation on the well-established breast cancer drug Taxol, which works by inhibiting cell division.

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