The instructions generated by the compiler are the actual machine instructions that are going to be executed, and their timing characteristics are reasonably well understood in the common cases.

编译器生成的指令就是将要执行的机器码，一般情况下，可以很合理地理解它们的时间特征。

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"We have certain information about the type and characteristics of the missile. However, we do not have accurate data on the timing of its launch," said the source, who was not identified.

反对者称：“我们已经确定了导弹的种类特征，可是不知道其准确的发射时间”。

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Performing selection for profiling only those methods with certain timing characteristics.

进行选择，只对那些带有某种计时功能的方法进行分析。

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For timing, PostRocket analyzes pages with similar characteristics, including demographics, to provide recommendations of optimal times to post.

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Moroney makes his investment recommendations combining Dow Theory market timing with a quantitative model that seeks stocks with characteristics that the market rewards.

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