选择题:报文交换特性描述中,正确的是() 题目分类:通信计算机技能鉴定 题目类型:选择题 查看权限:VIP 题目内容: A.数据定长,建立端到端逻辑连接B.数据不定长,无需建立端到端逻辑连接C.数据定长,长度为53BytesD.其工作原理类似电路交换 参考答案:
肺活量异常的标准为实测值/预测值 ( )A.<85% B.<65% C.<95% D.<90%E.&l 肺活量异常的标准为实测值/预测值 ( )A.<85% B.<65% C.<95% D.<90%E.&l 分类:通信计算机技能鉴定 题型:选择题 查看答案
Dry cargoes are those commodities that ______.A.never leak but may be spoiled by leakageB. Dry cargoes are those commodities that ______.A.never leak but may be spoiled by leakageB. 分类:通信计算机技能鉴定 题型:选择题 查看答案
The foreigners once ______their products to our company at a ______higher price. A. s The foreigners once ______their products to our company at a ______higher price. A. s 分类:通信计算机技能鉴定 题型:选择题 查看答案