A significant number of complex repair jobs carried out by Ace Repairs have to be reworked under the company's warranty.

由 Ace 维修公司进行的大量复杂维修工作必须在公司的保证下重新进行。

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The implementation of such a resolution scheme does raise a number of complex issues, however, and further study will be needed to develop specific, workable proposals.

不过，实施这样一个解决方案确实带来了一些复杂的问题，有必要进一步研究，提出有针对性的、可行的方案。

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In other words, PHP as a technology straddles a number of complex areas and disciplines.

换句话说，PHP这种技术横跨多个复杂的领域。

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It could be positive or negative or complex, but it's just an ordinary number.

它可以是正数,负数或者复数,但它仍然只是一个普通的数

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"The current health care system is designed to treat a small number of complex cases, " says Webster Golinkin, the chief executive of RediClinic.

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In fact, just like science labs on Earth, it has a number of complex instruments capable of testing the properties of solids, liquids and gases.

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The implementation of such a resolution scheme does raise a number of complex issues, however, and further study will be needed to develop specific, workable proposals.

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