Content id Specifies content by map id, which is defined in the map file.

内容id用在map文件中定义的map id指定内容。

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You can extract a number of information from the MIME body part including the content id, content type, and location.

您可以从MIME主体部件抽取许多信息，包括内容标识、内容类型和位置。

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Also note that each MIME part contains content id or content location information to uniquely identify the MIME parts.

也要注意每一个MIME部件包含内容的ID或内容定位信息来唯一地标识MIME部件。

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Content ID helped curtail the piracy issue, some media executives have said.

WSJ: Illegally Uploaded Movies Crop Up Again on YouTube

One popular LP-er, Zack Scott, discovered that Nintendo was issuing what is known as a "content ID match" claim on footage he uploaded of Luigi's Mansion: Dark Moon.

BBC: Nintendo to profit from user videos posted to YouTube

YouTube has a Content ID copyright protection system in place.

FORBES: Justin Bieber Swears Off YouTube For Facebook, Unwittingly Steps In Copyright Minefield