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【简答题】
已知广义表 A=((a,b,c),(d,e,f)) 试写出从表 A 中取出原子元素 e 的运算。
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皮皮学刷刷变学霸
举一反三
【单选题】The advantages of flash type evaporators, as compared to submerged tube type evaporators, include ______.
A.
less internal corrosion because of lower brine density
B.
higher temperature evaporation for lower salinity of the distillate produced
C.
less scale formation in a flash evaporator
D.
less feed-water required for a flash evaporator
【单选题】The density scale of atom is ( )
A.
10 2 g/cm 3
B.
1 g/cm 3
C.
10 15 g/cm 3
D.
10 10 g/cm 3
【单选题】A manufacturing customer wants a consolidation solution that provides scale-out capability and the highest processor density per rack unit. Which of the following solution meets customer’s requirement...
A.
x3650 M3 with Microsoft Virtual Server
B.
BladeCenter JS43 with VMware
C.
x3850 X5 with VMware
D.
BladeCenter HS22V with VMware
【简答题】网络层又称为 ,主要完成 、 、 和 功能。
【简答题】网络层又称为____,主要完成____,____,____,____等功能。
【简答题】阅读教材P68-80,锉刀一般用 材料制成;按粗细规格,锉刀可分为: 、 和 三类;按尺寸规格,常用的锉刀可分为:100mm、 和 等。按截面形状的不同,锉刀可分为:圆锉、 和 、 等。
【单选题】Which of the following is NOT a feature of alternative tourism? ( )
A.
small-scale
B.
low-density
C.
produce large amount of foreign exchange
D.
meet the needs of the special group with a higher-level of education and income
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