This Paper presents the features of ash haydite, producting process, commercialized, economic benefits and so on.本文介绍了免烧粉煤灰陶粒的特点 、 生产过程 、 商品化以及经济效益等....
Independently, local transactions are executed under the control of the local DBMS.在多数据库中,全局事务是在MDBS的控制下执行, 局部事务在局部DBMS控制下独立执行.Microsoft Visual FoxPro 6.0 is an excellent small database management systems ( DBMS ).Micros...
赫尔曼.霍尔瑞斯发明穿孔卡片制表机.Punch card tabulating machine invented by Herman Hollerith.赫尔曼.霍尔瑞斯发明穿孔卡片制表机. 《华尔街日报》首次发行.Punch card tabulating machine invented by Herman Hollerith. Wall Street Journal first published....
我敢说你上学时体育很棒。I bet you were good at games when you were at school.我敢说他按照要求做了。I dare say he did as he was bidden.我敢说你到家时休肯定训了你一顿。I bet Sue gave you an earful when you got home....