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【单选题】
电子商务概念所包括的通信手段有多种以使用( )为基础的传递方式
A.
电子技术
B.
电子手段
C.
电文传递
D.
数据电文
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参考答案:
举一反三
【单选题】投资组合的VaR可以表示为各项资产( )的和
A.
分散化VaR
B.
分散化VaR和边际VaR
C.
增量VaR
D.
成分VaR
查看完整题目与答案
【单选题】A large, low-speed, main propulsion diesel engine uses sea water to directly cool the _____.
A.
cylinder heads
B.
exhaust valves
C.
scavenging air
D.
injectors
查看完整题目与答案
【单选题】The main function of tie rods in the construction of large, low speed diesel engines is to _____.
A.
stiffen the bedplate in way of the main bearings to increase the engines longitudinal strength
B.
accept most of the tensile loading that results from the firing forces developed during operation
C.
mount the engine frame. securely to the hull to prevent shaft coupling misalignment
D.
connect the crosshead solidly to the piston rod
查看完整题目与答案
【单选题】2016年一月份支付全年保险费12000元,按照权责发生制的要求,计入一月份的费用金额为( )元。
A.
2000
B.
1000
C.
6000
D.
12000
查看完整题目与答案
【单选题】One major disadvantage of a low-speed diesel as compared to a steam main-propulsion system is().
A.
the extra weight required for the diesel reduction gearing
B.
a minimum speed for the engines that limits the minimum speed of the vessel
C.
the higher fuel consumption per SHP
D.
the low efficiency of the system when a controllable pitch propeller is used
查看完整题目与答案
【单选题】A large, low-speed, crosshead, main propulsion diesel engine using residual fuel oils must have a cylinder oil having a ________.
A.
low TBN value
B.
high alkaline reserve
C.
low flash point
D.
high pour point
查看完整题目与答案
【单选题】投资组合的VAR可以表示为各项资产的()的和。
A.
增量BAR
B.
边际VAR
C.
成分VAR
D.
分散化VAR
查看完整题目与答案
【单选题】投资组合的 VaR 可以表示为各项资产( )的和
A.
增量 VaR
B.
边际 VaR
C.
成分 VaR
D.
分散化 VaR
查看完整题目与答案
【单选题】投资组合的Var可以表示各项资产( )的和。
A.
增量Var
B.
边际Var
C.
绝对Var
D.
成分Var
查看完整题目与答案
【多选题】平屋顶内排水的雨水口处保温层减薄,坡度加大,其作用是()。
A.
室内采暖时可融雪
B.
防止结冰
C.
方便安装雨水口
D.
节约保温材料
E.
使排水顺畅
查看完整题目与答案
相关题目:
【单选题】投资组合的VaR可以表示为各项资产( )的和
A.
分散化VaR
B.
分散化VaR和边际VaR
C.
增量VaR
D.
成分VaR
查看完整题目与答案
【单选题】A large, low-speed, main propulsion diesel engine uses sea water to directly cool the _____.
A.
cylinder heads
B.
exhaust valves
C.
scavenging air
D.
injectors
查看完整题目与答案
【单选题】The main function of tie rods in the construction of large, low speed diesel engines is to _____.
A.
stiffen the bedplate in way of the main bearings to increase the engines longitudinal strength
B.
accept most of the tensile loading that results from the firing forces developed during operation
C.
mount the engine frame. securely to the hull to prevent shaft coupling misalignment
D.
connect the crosshead solidly to the piston rod
查看完整题目与答案
【单选题】2016年一月份支付全年保险费12000元,按照权责发生制的要求,计入一月份的费用金额为( )元。
A.
2000
B.
1000
C.
6000
D.
12000
查看完整题目与答案
【单选题】One major disadvantage of a low-speed diesel as compared to a steam main-propulsion system is().
A.
the extra weight required for the diesel reduction gearing
B.
a minimum speed for the engines that limits the minimum speed of the vessel
C.
the higher fuel consumption per SHP
D.
the low efficiency of the system when a controllable pitch propeller is used
查看完整题目与答案
【单选题】A large, low-speed, crosshead, main propulsion diesel engine using residual fuel oils must have a cylinder oil having a ________.
A.
low TBN value
B.
high alkaline reserve
C.
low flash point
D.
high pour point
查看完整题目与答案
【单选题】投资组合的VAR可以表示为各项资产的()的和。
A.
增量BAR
B.
边际VAR
C.
成分VAR
D.
分散化VAR
查看完整题目与答案
【单选题】投资组合的 VaR 可以表示为各项资产( )的和
A.
增量 VaR
B.
边际 VaR
C.
成分 VaR
D.
分散化 VaR
查看完整题目与答案
【单选题】投资组合的Var可以表示各项资产( )的和。
A.
增量Var
B.
边际Var
C.
绝对Var
D.
成分Var
查看完整题目与答案
【多选题】平屋顶内排水的雨水口处保温层减薄,坡度加大,其作用是()。
A.
室内采暖时可融雪
B.
防止结冰
C.
方便安装雨水口
D.
节约保温材料
E.
使排水顺畅
查看完整题目与答案
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