beam an中文什么意思

梁跨度

• beam:    n. 1.梁，栋梁，桁条；(船的)横 ...
• beam of an antenna:    天线波束
• beam with an overhanging end:    外伸梁

例句与用法

1. Describes how to beam an infrared a message between two pocket pcs
   描述如何在两台pocket pc之间通过红外线传递消息。