由于采用了非线性边界元，文中所提出的方法可以广泛地适用于偏离设计的工况。
Owing to the use nonlinear boundary element method, extensions to off design conditions can be easily obtained.
针对汽轮机各主要参数偏离设计值会对机组经济性造成影响，提出一套计算方法。
The economics of steam turbo units will be affected if major turbine parameters deviate from the designed values, in view of which a set of computational formulas is presented.
由于外界条件的变化与差异，泵站的实际运行工况总是或多或少地偏离设计最佳工况。
Because of the change and difference of external condition, practical operating mode of pumping station always deviates from the design's more or less.
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