Even the smallest change can bring a program or Web site to it's knees, so constant testing and improvement is important to any bit of software.

即便是微小的改动都有可能让程序或者网站挂掉，所以，对于每一个程序而言，不断的测试和改进都是非常重要的。

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Variable bit rate (VBR) and constant bit rate (CBR).

可变比特率（VBR）和恒定比特率（CBR）。

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In the mobile world, the biggest constant is change, so this promises to be a bit of a shifting landscape.

在移动世界，变化无时无刻不在发生，我们这里所讨论的也不是一成不变的。

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Dictionaries are implemented using a magic technique called hashing, which we'll look at a little bit later in the term, which allows us to retrieve keys in constant time.

散列法的内容,此方法可以让我们在线性,时间内检索到键,因此字典的大小并不重要了。

麻省理工公开课 - 计算机科学及编程导论课程节选

Unfortunately, this is also call the Rydberg constant, so it's a little bit confusing. But really it means h the Rydberg constant divided by h, and that's equal to 3 .

不幸的是，它也叫Rydberg常数，所以这可能会有点混淆,但它表示Rydberg常数除以。

麻省理工公开课 - 化学原理课程节选

It is exposed to the weather, under constant stress, and deteriorates a little bit every day.

FORBES: Protecting the Electric Grid from Terrorism -- Nobody is in Charge

For someone who must remain in constant contact with Mets players and executives, the butt dialing has complicated things a bit.

WSJ: The King of the Accidental Phone Call