intervisibility的意思？

The following rule is a useful test for intervisibility.下面介绍一种检验通视的方法.Two - way transceivers could be integrated into ceiling lamps order to assure intervisibility.为了保证通视性可以将双工收发器嵌入到天花板的照明灯上....

intervisibility的音标：intervisibility的英式发音音标为：[ɪntɜ:rvɪzə'bɪlɪtɪ]intervisibility的美式发音音标为：[ɪntɜrvɪzə'bɪlɪtɪ]...