Transmit的意思是
to send (information, sound, etc.) in the form of electrical signals to a radio, television, computer, etc. (通过电子信号传达信息)
to give or pass (information, values, etc.) from one person to another (传话)
to cause (a virus, disease, etc.) to be given to others (传染疾病)
而Convey的意思是
to take or carry (someone or something) from one place to another (把一样东西从一个地方传递到另一个地方给别人)
to make (something) known to someone (让某人认识到一个人或者一些事)
law : to change the ownership of (property) from one person to another (在法律上:转换所有权)