Marking a model, in OMG MDA terminology, means tagging a model with extra information that is used by tools, and that is not appropriate to be captured in the model's semantics.

在OMG mda术语中，标记一个模型意味着利用工具所使用的，不适合从模型的语义中得到的额外信息来标记一个模型。

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Some tires will have marking on them, such as the new Kyosho tires. Besides using tools to do that, usually you could feel it by hand by compressing the tire.

有些轮呔上自己有写的，也有人用工具测量， 如果熟呔的人用手可以感觉出来。

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The company's servers use collected data from other users marking similar messages as spam, as well as propriety identification tools, to help ensure that those generic creditor or vacation sweepstakes calls never make it to your phone.

ENGADGET: Google Voice adds spam filter, lets solicitors get caught in the web