数据: data; record; information业务: vocational work; professiona ...专用: special use; for a special p ...城: city wall; wall域: land within certain boundari ...网: net专用电路数字数据业务: private circuit digital data service综合业务城域网: isman integrated services metropolitan area network广域网数据业务，大区数据服务: wide area data service大数据业务: bds big data servic短数据业务: short data service数据业务: data business; data service数据业务量: amount of data traffic城域网: man ( metropolitan area network ); man metropoliatan area network; man metropolitan area network; man(metropclitan area network); metropolitan area network(man); metropolitan area networks; metropolitan-area network; wan; wman单位数据业务: udts unit data service等时数据业务: ids isochronous data services广域数据业务: wide area data service话音数据业务: voice data service宽域数据业务: wide area data service数据业务单元: dsu data service unit数据业务设备: data service unit数字数据业务: digital data service dds图像数据业务: viewdata service无线数据业务: wireless data service移动数据业务: mobile data service
