. . . "25461"^^ . . . . . . . . . . . . . . . . . . . . . . . . . . . "\u7EDF\u4E00S\u6CE2\u6BB5"@zh . . . . . . . . "Unified S-band"@en . . . . . . . . "\u7EDF\u4E00S\u6CE2\u6BB5\u6D4B\u63A7\u7CFB\u7EDF\uFF08\u82F1\u8A9E\uFF1AUnified S-Band TT&C System\uFF0C\u7B80\u79F0USB\uFF09\u662F\u73B0\u4EE3\u7A7A\u95F4\u6280\u672F\u7684\u91CD\u8981\u7EC4\u6210\u90E8\u5206\uFF0C\u5B83\u662F\u5728\u8FDE\u7EED\u6CE2\u5B9A\u4F4D\u3001\u9065\u63A7\u3001\u9065\u6D4B\u548C\u901A\u4FE1\u7B49\u6280\u672F\u57FA\u7840\u4E0A\u53D1\u5C55\u8D77\u6765\u7684\u7EFC\u5408\u6027\u591A\u529F\u80FD\u6D4B\u63A7\u7CFB\u7EDF\u3002"@zh . . . . . . . . . . . . . . "1108483835"^^ . "26270139"^^ . . . . . . . . . . . . . "The Unified S-band (USB) system is a tracking and communication system developed for the Apollo program by NASA and the Jet Propulsion Laboratory (JPL). It operated in the S band portion of the microwave spectrum, unifying voice communications, television, telemetry, command, tracking and ranging into a single system to save size and weight and simplify operations. The USB ground network was managed by the Goddard Space Flight Center (GSFC). Commercial contractors included Collins Radio, Blaw-Knox, Motorola and ."@en . . . . . . . . . . . . . . . . "\u7EDF\u4E00S\u6CE2\u6BB5\u6D4B\u63A7\u7CFB\u7EDF\uFF08\u82F1\u8A9E\uFF1AUnified S-Band TT&C System\uFF0C\u7B80\u79F0USB\uFF09\u662F\u73B0\u4EE3\u7A7A\u95F4\u6280\u672F\u7684\u91CD\u8981\u7EC4\u6210\u90E8\u5206\uFF0C\u5B83\u662F\u5728\u8FDE\u7EED\u6CE2\u5B9A\u4F4D\u3001\u9065\u63A7\u3001\u9065\u6D4B\u548C\u901A\u4FE1\u7B49\u6280\u672F\u57FA\u7840\u4E0A\u53D1\u5C55\u8D77\u6765\u7684\u7EFC\u5408\u6027\u591A\u529F\u80FD\u6D4B\u63A7\u7CFB\u7EDF\u3002"@zh . "The Unified S-band (USB) system is a tracking and communication system developed for the Apollo program by NASA and the Jet Propulsion Laboratory (JPL). It operated in the S band portion of the microwave spectrum, unifying voice communications, television, telemetry, command, tracking and ranging into a single system to save size and weight and simplify operations. The USB ground network was managed by the Goddard Space Flight Center (GSFC). Commercial contractors included Collins Radio, Blaw-Knox, Motorola and ."@en . . . . . . . . . .