But usually you'll find yourself continually fixing or adding functions, followed by more testing.

但是，通常要不断地修复或添加某些功能，并执行较多的测试。

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Although adding wireless functions to these sensors almost doubles that cost, it reduces the price of installation by 50-90%-and installation makes up most of the total cost.

尽管给这些传感器增加无线功能使得价钱几乎翻了一番，但这却使安装的费用减少了50 - 90%——而安装费用占总费用的大部分。

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Wrapping existing PHP functions without adding or complementing existing functionality is a strict no-no.

包装现有的php函数而不添加或补充现有的功能，是完全不能接受的。

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So we can draw that for 1 s a, we can also draw it for 1 s b, and what I'm saying for the molecular wave function is that we have the interference between the two, and we have a constructive interference, so we end up adding these two wave functions together.

所以我们可以对1sa画出它来，我们也可以对1sb画出它来，对于分子波函数我要说的是,它们两者之间会干涉，这里我们有相长干涉，所以我们得到的是波两个波函数加起来。

麻省理工公开课 - 化学原理课程节选

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Access control beefs up the barricades by granting entry only to specific site functions, such as adding an item to a shopping cart.

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