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【单选题】
The random error in a regression equationA.
is the predicted error.
B.
includes both positive and negative terms.
C.
will sum to a large positive number.
D.
is used to estimate the accuracy of the slope.
E.
is maximized in a least squares regression model.
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【判断题】The Fish-mouth Water Dividing Dike, the Sand Flying Spillway and the Bottle-Neck Water Inlet work together to clear away sand and stones of the Minjiang water before it move into the Chengdu Plain. Th...
A.
正确
B.
错误
【单选题】Which of the following does not belong to the Head part project of the Dujiangyan Irrigation System?
A.
The Fish-mouth Water Dividing Dike.
B.
The Yulei mountain.
C.
The Bottle-Neck Water Inlet.
D.
The Sand Flying Spillway.
【单选题】具有较强银行接口技术的第三方支付公司以中介形式分别连接商家和银行，从而完成商家的电子支付模式指的是( )
A.
自建支付平台模式
B.
第三方垫付模式
C.
支付网关型模式
D.
个人支付转账
【多选题】都江堰的组成部分包括什么？Which are the components of Dujiangyan?
A.
分水鱼嘴 water diversion fish nozzle
B.
飞沙堰 flying sand weir
C.
宝瓶口 bottle mouth
D.
郑国渠 Zhengguo Canal
【简答题】第三方支付是指具有________和________的公司,采用与各大银行________的方式,提供与银行支付结算系统对接的交易支持平台。
【单选题】Which of the following belongs to the Head part project of the Dujiangyan Irrigation System?
A.
The Fengxiwo Spillway.
B.
The Yulei mountain.
C.
The Inner Channel.
D.
The Fish-mouth Water Dividing Dike.
【简答题】硬化指数 n 值大,硬化效应就大,这对于 ______________ 变形来说就是有利的。
【判断题】The Fish Mouth is the first section of Dujiangyan Irrigation Project, which divides the water into the inner river as a canal and the outer river as a floodway.
A.
正确
B.
错误
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