Their results can bememoized -- cached for lookup on subsequent invocations .

它们也能记住计算结果存在缓存中以备后续调用。

The idea is to avoid the costly synchronization for all invocations of the method except the first .

其想法是避免除了第一个方法调用之外的其他所有方法调用的高昂的同步费用。

David cameron 's initial big society speech certainly had its fair share of predictable responsibility invocations .

当然，大卫卡梅伦最初“大社会”的演讲会有其可预料责任诉求的公平分担。

However , slower reflective invocations are necessary when the compiler can 't infer the types of parameters - which , of course , happens often in a dynamically typed language .

然而，在编译器得不到参数的类型时，更慢的“自省”方式的调用就是必需的了，这在所有动态类型语言都会出现。

Such invocations of the confidence fairy were never plausible ; researchers at the international monetary fund and elsewhere quickly debunked the supposed evidence that spending cuts create jobs .

这种祈祷信心仙子的做法从来都是没有道理的；国际货币基金及其它机构的研究人员立刻驳斥了所谓削减支出创造就业岗位的证据。