福尔克和其它经济学家的这份报告对建于1800年之前和以后的29家歌剧院进行了考察。
The study by Mr. Falck and the other economists examined 29 opera houses built before 1800 or just afterward.
在深入了解本文的自定义插件创建部分之前，需要讨论一下part和nodepart，因为这两者在以后的章节中非常重要。
Before diving into the custom plug-in creation part of this article it is worth talking about parts and nodeparts since they figure heavily in the following sections.
我们会关注在患病各个阶段通常会出现的各种情绪和事件，包括确诊之前到康复以后的生活。
We will be taking a look at some of the emotions and issues that commonly arise during each phase of the illness, from before diagnosis through life after recovery.
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