The cause of the opening and closing is probably the difference in light.
开启和关闭的原因可能是光线的不同。
The European anthem was played at the opening and closing ceremonies.
欧洲颂歌在开幕式和闭幕式上演奏。
Certain butterflies move into spots of sunlight that have penetrated to the forest floor and display by opening and closing their beautifully patterned wings in the bright spotlights.
某些蝴蝶飞进阳光照射到的森林地面上，在明亮的阳光下煽动翅膀以展示自己的美丽。
Opening and closing a device in Linux.
Linux的设备打开和关闭。
Opening and closing a device in Windows
Windows 的设备打开和关闭
Comply with the opening and closing procedures.
遵守开始营业和结束营业的程序。
Line 5: XHTML documents must include opening and closing tags.
第5行：XHTML文档必须包含开始和结尾标记。
Opening and closing of the contact points creates induced voltage.
触接点的开启与闭合产生感应电压。
Interactive lamp that you can adjust by opening and closing the box.
一款交互式的灯具，你可以通过打开或者关闭盒子来调节光线。
Providing value is so important I’m opening and closing this list with it.
提供价值非常重要，所以我用它开始也用它结束。
Listing 17. Opening and closing of the action, repeat, model and trigger tags.
清单17.action、repeat、model和trigger标记的打开和关闭。
XML syntax is simple: Essentially, you must balance the opening and closing tags.
xml语法很简单：最基本的一点就是开标签和闭标签必须匹配。
Evidently, the main problem in this example is the opening and closing of connections.
很明显，该示例的主要问题是连接的打开和关闭。
ContentHandler defines events related to the document itself (such as opening and closing tags).
ContentHandler定义与文档本身关联的事件(例如，开始和结束标记)。
People will also talk about the opening and closing ceremonies at the Olympic Games in Beijing.
人们还将谈论北京奥运会的开幕式和闭幕式。
The tags placed inside the opening and closing tag define the list items. The attributes for this are.
标记放置在开始和结束的标记之间，它定义了列表项。
The rest of the clam followed by moving quickly up and down and rapidly opening and closing its shell.
蛤蚌留在沙子外面的身体部分接着开始上下移动，并且迅速的开合它的贝壳。
Each tag in the document, opening and closing, is represented by an arrow-like icon that contains the tag name.
文档(无论是打开还是关闭)中的每个标记都由一个包含标记名的、象箭头一样的图标表示。
They have too much going on: people opening and closing books, computer keys being hit, people talking. etc.
这里有太多的动静：人们翻书合上书的声音，敲击电脑键盘的声音，和人们的说话声等等。
Repeated opening and closing of Ambulant from the command-line interface (CLI) destroys the error buffer each time.
通过命令行界面(CLI)重复打开和关闭ambulant每次会破坏错误缓冲。
Also, the metadata conditions can be easily explored by opening and closing the subtrees without selecting them.
此外，通过打开和关闭子树(没有选中它们)，可以很容易地研究元数据条件。
The city will host the opening and closing ceremonies as well as the first game June 11 and the championship July 11.
这座城市将举办开幕式、闭幕式、6月11日的首场比赛和7月11日的总决赛。
There are events for element opening and closing tags, for the content of elements, for entities, and for parsing errors.
元素打开关闭标记、元素内容、实体和解析错误都有对应的事件。
Implement connection pools to the database and reuse connection objects, rather than repeatedly opening and closing connections.
实现数据库连接池，重用连接对象，而不是重复地打开和关闭连接。
It houses the main Olympic Stadium, where the opening and closing ceremonies take place along with the track and field events.
这里建有奥林匹克主体育场，开闭幕式以及田径赛事将在这里举行。
Keep connections and queues open if you are going to reuse them instead of repeatedly opening and closing, connecting and disconnecting.
如果您将要重用连接和队列，则应将它们保持打开，而不是重复地打开和关闭、连接和断开连接。
The door at the end of the hallway opens onto a window; the amount of light in the hallway is controlled by opening and closing the door.
走廊尽头的门开向一扇窗，走廊上灯光是通过门的开启和关闭控制的。
The door at the end of the hallway opens onto a window; the amount of light in the hallway is controlled by opening and closing the door.
走廊尽头的门开向一扇窗，走廊上灯光是通过门的开启和关闭控制的。
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