| 释义 |
wide-band communications system wide-band communications system[′wīd ¦band kə‚myü·nə′kā·shənz ‚sis·təm] (communications) Communications system which provides numerous channels of communications on a highly reliable and secure basis which are relatively invulnerable to interruption by natural phenomena or countermeasures; included are multichannel telephone cable, tropospheric scatter, multichannel line-of-sight radio system such as microwave, and satellites. |