注：如果您有RedHatLinux版本 7.1或更高版本，就不需要执行这里说明的前两个步骤。

Note: In case you have RedHat Linux version 7.1 or higher, you don't need to go through the two previous steps specified here.

youdao

需要显式常量或是“魔力值”的很多API都是API契约的一部分，这些常量或数值并不只是随意添加到代码中的（这里的意思指的是很多API中都拥有一些常量或是数值，他们是API契约所要求的，因此根据反编译后的结果很难推测出这些常量或数值所代表的含义——译者注）。

Many APIs that expect explicit constants or 'magic values' are part of an API contract and not merely some value added in to the code.

youdao

首先，我打开拍摄的源照片，这张照片主要是为分离人物和地面上影子而拍摄的(这里是说，作者需要一张易于扣取人物及其影子的照片——译者注)。

First off I opened the original image resulted from the shooting with the main purpose being isolating the character and the shadows on the floor.

youdao

解析它们则需要花一些脑筋，因为（以HTML的形式存在的）Microformats没有一个特定的、被接受的mime类型来将它们与标准的请求（译者注：这里主要指http请求）区分开来。

Parsing them, however, is a trickier business as (being HTML) microformats don't have a distinctive, accepted mime type to distinguish them from standard requests.

youdao

要准确地做到这一点，我们需要回避那些会影响我们预测未来情绪状态的系统偏见(注：这里是指第一篇文章提到的偏见)。

To do this accurately we need to avoid the systematic biases that affect how we predict our future emotional states.

youdao

要准确地做到这一点，我们需要回避那些会影响我们预测未来情绪状态的系统偏见(注：这里是指第一篇文章提到的偏见)。

To do this accurately we need to avoid the systematic biases that affect how we predict our future emotional states.

youdao