One piece of information RFID does not transmit is the CVV (Credit Verification Value) security codes on each credit card, according to Snopes.

据Snopes网站介绍， RFID 有一项信息没有传输，那就是信用卡上的 CVV (信用卡验证值) 安全码,。

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The trunking communication system needs to transmit large amount of secret information, and have high security demand.

集群通信系统要传输大量机密信息，对通信保密性要求很高。

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The second chapter makes a systemic conclusion in the shipping and handling of LPG, which provides necessary shipping techniques to transmit LPG in the security conditions.

第二章对LPG运输、装卸进行了系统归纳，为船舶安全运输提供了必要的技术知识。

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Bombardier also teamed up with another firm to develop a security system that will coordinate and transmit video footage taken inside the traincars with footage taken by cameras in stations and along the routes.

FORBES: The Great Train Catch-Up

Then the system asked me to insert my passport so it could optically scan the special set of letters to identify me with the system and transmit the data to the Department of Homeland Security.

FORBES: Evidently Delta Never Got the Memo On America's Express Border Crossing Program