摘要: select convert(char(4),Years,120) as 'year', IsFirstSixMonths=case when IsFirstSixMonths=0 then '上半年' when IsFirstSixMonths=1 then '下半年' END , sum(totalcome) as 'sum' from test group by IsFirstSixMonths,convert(char(4),Years,120) 阅读全文
posted @ 2008-12-30 18:26 HiEagle 阅读(618) 评论(0) 推荐(0) 编辑
摘要: 底层传输系统 SDH,synchronous digital hierarchy 多协议标识交换 MPLS,multi-protocol label switching 标识交换路径 LSP,label-switched path 标识交换路由器 LSR,label-switched router 密集波分复用 DWDM,dense wave-division multiplexing 电子布告栏系统 BBS,bulletin board system 群决策支持系统 GDSS,group decision support systems 影片点播 MOD,movies on demand 远程购物 teleshopping 远程学习 distance learning 家庭银行 home banking 远程医疗telemedicine 电视会议video conferencing 内容制作content production 事务服务transaction services.... 阅读全文
posted @ 2008-12-30 14:14 HiEagle 阅读(1661) 评论(0) 推荐(0) 编辑