If the containing type can be proved to be heavy speech type, the method of the mathematical proposition proving and reasoning is correct.

如果能证明该蕴涵式为重言式，那么其数学命题的证明推理形式就是正确的。

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When a marketing type makes a speech, he or she usually stands in front of a screen and makes a presentation using dozens of visuals.

而当一个营销人员演讲的时候，他通常站在屏幕的前面，用大量的图片来辅助演讲。

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The audience usually leaves this type of speech wondering why they just sat there for 20 minutes.

遇上这种演讲，听众也会不客气地离席而去，还会觉得自己傻坐这20分钟挺不靠谱的。

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It has also added the ability to type using speech recognition without needing to be connected to the net.

BBC: Google announces Jelly Bean Android system upgrades

"You cannot just regulate code without going thru the first amendment type of balancing tests that are used for any other type of speech, because code is speech, " says Cohn.

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We can see LOL-type expressions happening in speech.

CNN: LOL isn't funny anymore