“EI Controlled  Term ” (EI受控词)的作用是什么?

“EI Controlled  Term ” (EI受控词)的作用是什么?


相关考题:

图示结构两杆长均为d,EI=常数。则A点的垂直位移为()A.qd3/2EI(↑)B.qd3/3EI(↓)C.qd4/4EI(↓)D.qd4/6EI(↓)

Ei为装置的分项能耗,Gi为实物消耗量,Ai为各种实物的换算系数,则各分项能耗的计算公式为()。 A、Ei=GiAiB、Ei=Gi/AiC、Ei=Ai/GiD、Ei=GiAi/2

The overall transfer function is the ratio of the transform. of the controlled variable to the transform. of ( ). A.the controlled variableB.the reference inputC.the feedbackD.the output variable

若Ei表示旅游需求收入弹性,在(  )情况下,旅游需求曲线表现为一条正双曲线。A.Ei>1B.Ei<1C.Ei≤1D.Ei=1

如图(a)所示,该结构抗弯刚度为EI,取图(b)为基本结构,则δ11为(  )。 A、l/(EI) B、5l/(6EI) C、9l/(16EI) D、l/(6EI)

结构在荷载下的弯矩图如图所示,曲线为q=2kN/m引起的二次抛物线,EI=常数。B点的水平位移为(  )。A.108/(EI)(→)B.756/(EI)(→)C.828/(EI)(→)D.900/(EI)(→)

图示结构B处弹性支座的弹性刚度k=3EI/l3,B结点向下的竖向位移为(  )A.Pl3/(12EI)B.Pl3/(6EI)C.Pl3/(4EI)D.Pl3/(3EI)

用位移法计算图所示梁(EI=常数),基本体系如图所示,k11为(  )。 A、6EI/l B、7EI/l C、8EI/l D、9EI/l

A、与h、l、EI均有关B、与h、l有关,与EI无关C、与l有关,与h、EI均无关D、与EI有关,与h、l均无关

图示结构EI=常数,A点的竖向位移(向下为正)为(  )。{图}A.20Pl3/(3EI)B.16Pl3/(3EI)C.-8Pl3/(3EI)D.8Pl3/(3EI)

在EI Villege高级检索平台中ky字段表示什么意思?()A、表示keyword字段B、表示Subject字段C、表示Controlled term字段D、表示同时检索Subject/Title/Abstract字段

下列各关系式中,表示孔与轴配合为过盈配合的是()。A、EI>esB、ei>ESC、EI<ei<ESD、ES>ei

下列各关系式中,能确定孔与轴的配合为过渡配合的是()A、EI≥esB、ES≤eiC、EI>eiD、EI<ei<ES

一工件以孔定位,套在心轴上加工与孔有同轴度要求的外圆。孔的上偏差是ES,下偏差是EI,心轴的上偏差是es,下偏差是ei。计算其基准移位误差的公式是()A、((ES-EI)+(es-ei)+(EI-es))/2B、(EI-es)/2C、(ES-ei)/2D、((es-ei)+(EI-es))/2E、EI-es

钢筋混凝土受弯构件挠度计算与材料力学方法(f=aMl2/EI)相比,主要不同点是()。A、后者EI为常数,前者每个截面EI为常数,沿长度方向为变数B、前者沿长向EI为变数,每个截面EI也是变数C、a不为常数D、前者沿长向EI为变数,每个截面EI是常数

下列有关误差项e的基本假设中,正确的有()。A、E(ei)=0B、Var(ei)=E(ei2)=s2C、cov(ei,ej)=0D、e服从正态分布

EI Compendex Web是EI核心数据库。

controlled release preparations

被控量 (controlled variable )

后响复韵母是()。A、ɑi、ei、uɑ、uoB、ɑi、ei、ɑo、ouC、ɑi、ei、ou、uoD、iɑ、ie、uɑ、uo、üe

若Ei表示旅游需求收入弹性,在()情况下,旅游需求曲线表现为一条正双曲线。A、Ei1B、Ei1C、Ei≤1D、Ei=1

单选题后响复韵母是()。Aɑi、ei、uɑ、uoBɑi、ei、ɑo、ouCɑi、ei、ou、uoDiɑ、ie、uɑ、uo、üe

单选题The author states that the will and the passions of the people _____.Acan be effectively controlled by the people themselvesBshould determine government policiesCcan be controlled only by a power that exists apart from the people and is not subject to that will and those passionsDcannot be controlled

问答题“EI Controlled  Term ” (EI受控词)的作用是什么?

单选题If remote-controlled cars are more expensive than mechanical cars, and radio-controlled cars are more expensive than remote-controlled cars, which of the following statements must be true?AMechanical cars are the most expensive.BRadio-controlled cars are the most expensive.CRadio-controlled cars are cheaper than remote-controlled cars.DMechanical cars are more expensive than remote-controlled cars.

单选题A common rail engine has only one or two high pressure pumps in operation at the same()time, and the injection into each cylinder.Acan’t be controlled very preciselyBcan’t be controlled as flexibly as the separate pump systemCcan be controlled as flexibly as the separate pump systemDcan be controlled more precisely and flexibly

单选题常说的四大权威数据库是指()ASCI、CSSCI、EI、ISTPBCNKI、SSCI、EI、ISTPCSCI、SSCI、EI、ISTPDCSCD、SSCI、EI、ISTP