A Channel number is a header number identifying the message topic (such as' Weather Report 'or' Traffic Information ').
通道号是标识消息主题的头部号(如‘气象报告’或‘交通信息’)。
2
McCullough said many doctors are telling patients to turn down the thermostat to help lose weight, but Klauer said it's way too soon to send the message that the cold weather can have an impact.
麦卡洛说很多医生都在告诉病人调低室内温度有助于减轻体重，但是克劳尔说现在就得出这个推论还为时过早。
3
An application builds a message request such as "give me the weather forecast for Atlantic, NC," and sends it to the server where the Web service resides.