Hash functions can be complex and sophisticated, but modern libraries have good defaults.

哈希函数可以非常复杂，但现在已经有类库提供了很好的缺省支持。

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The technology underpinning all this is very complex and sophisticated, but this does not matter to Bob.

支持所有这些目标实现的技术是非常复杂和高级的，但这些都与鲍勃们没有多大关系。

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Watch size is small and the internal structure is very complex and sophisticated, a little bit of dust or clothing fibers will affect the time of the watch.

手表尺寸虽小内部结构确非常复杂且精密，一点点小灰尘或是衣物纤维都会影响手表的走时。

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The state boards excuse their inaction by complaining that tax shelter schemes are complex and sophisticated.

FORBES: To Cut California's Budget Gap, Cut One Sentence From State Whistleblower Law

Since patents have become critical for survival of many companies, patent rights have become historically strong, patent litigation strategies are complex and sophisticated.

FORBES: Patent Reform 2013 -- The "America Invents Act" -- Much Ado

Plus, iPad apps will likely generally be more complex and sophisticated, or at least feel that way, which could support higher prices indefinitely.

FORBES: Early iPad Apps To Cost Twice As Much As iPhone Apps