It has several sections, broadly speaking: setup, main handler, comment and photo handlers, general utilities, and SimpleDB utilities.
它有多个部分，可大致分为：设置、主处理程序、评论和照片处理程序、通用实用工具和SimpleDB实用工具。
Now, let's look into the general category of utilities like is_empty that Boost provides.
现在，让我们看看一般的实用程序类别，比如Boost提供的is _ empty。
General screen capture utilities.
通用屏幕捕获实用程序。
This is again a convention that should be followed when writing general purpose utilities.
这是编写通用实用程序时应该遵守的又一个约定。
It works very well for related applications, including editors and XML utilities, but it is sub-optimal for general-purpose applications.
对于相关的应用程序，包括编辑器和XML处理工具，它工作得很好，但是对于一般用途的应用程序，它的表现不是最理想的。
Even in bankruptcy, General Motors maintained the consortium of utilities it convened to design a smart, standardized infrastructure for plug-in electric vehicles.
就算破产了，通用汽车仍在开会，想要为接插式的电动化交通工具设计一套智能化的标准化架构。
In general, group membership is only considered for dynamic SQL and non-database object authorizations (such as instance level commands and utilities).
一般来说，只对于动态sql和非数据库对象授权(比如实例级命令和实用程序)，需要考虑组成员关系。
The general and SimpleDB utilities could have lived in their own module, but for simplicity I left everything in one place.
通用的和SimpleDB实用工具可以拥有自己的模块，但是为了保持简单，我将所有内容都放到了一个位置。
By the end of April mining, automobile, engineering and general-retail stocks were all up on the end of 2008, whereas defensive sectors such as food producers, pharmaceuticals and utilities were down.
至4月末，采矿，汽车，工程以及一般零售股价都已高于2008年末值，而诸如生产，制药与公用事业等非循环行业都有所下跌。
GMC, one of the four U. S. brands that survived the General Motors bankruptcy, is best known for sturdy commercial trucks, large pickups and beefy Yukon and Suburban sport-utilities.
GMC作为在通用汽车破产中幸免于难的四个美国品牌之一，以其坚固的商用货车，大型皮卡，结实的Yukon和Suburban运动型多功能车（SUV）而著称。
GMC, one of the four U. S. brands that survived the General Motors bankruptcy, is best known for sturdy commercial trucks, large pickups and beefy Yukon and Suburban sport-utilities.
GMC作为在通用汽车破产中幸免于难的四个美国品牌之一，以其坚固的商用货车，大型皮卡，结实的Yukon和Suburban运动型多功能车（SUV）而著称。
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