单词	cold region city
释义	cold region city 寒地城市
随便看	data description data description clause Data Description Document data description entry Data description file data description in a language data description language data-description language Data Description Language Committee data description languageddl data description language, DDL data description library data description skeleton data description specification data descriptor data descriptorDD,DDESC data design data detection data detection window data determination data devastate Data development data development analysis data diagnosis data dial service