A good design can help to avoid it, but even the best designs can't cover every contingency or scope change.
一个好的设计可以帮助避开这一点，但即便是最好的设计也无法应对所有可能的情况或作用域变化。
The best contingency design prevents errors from occurring.
最好的权变设计可防止错误的产生。
Great contingency design accounts for everything, including servers going kaput.
好的权变设计要对一切东西负责，包括服务器失效在内。
The best professionals account for this with smart, defensive design strategies (also known as contingency design).
最好的职业人士靠聪明的防护性设计策略来对此负责(亦被称为权变设计)。
If upstream pressure can exceed D101 design pressure, it will add a block-in contingency to safety valve sizing.
如果上游压力会超过D101的设计压力则会给安全阀的调节带来出现意外堵塞的一种情况。
The main nodes satisfy not only the structural design, but also the construction cost and contingency.
工程中的主要节点在满足结构受力的前提下，同时兼顾了造价及施工方面的要求。
The main nodes satisfy not only the structural design, but also the construction cost and contingency.
工程中的主要节点在满足结构受力的前提下，同时兼顾了造价及施工方面的要求。
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