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倒时方程 inhour equation
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This new view of particles was initiated by Dirac when he formulated a relativistic equation describing the behavior. of electrons.
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通过简化的伯努利方程(Bernoulli equation)可以求得A、左房室瓣口狭窄的压力阶差B、主动脉瓣口狭窄的压力阶差C、心内分流的压力阶差D、左房室瓣口反流的压力阶差,估算肺动脉压力E、右房室瓣口反流的压力阶差,估算肺动脉压力
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经食管超声中血流速度测定利用的原理是A、伯努利方程(Bernoulli equation)B、文丘里效应(Venturi effect)C、Stewart-Hamilton方程D、多普勒效应(Doppler effect)E、连续方程(Continuity equation)
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In an iostat report, which of the following options best describes the value of % tm_act?()A、 The total CPU usage for this driveB、 The bandwidth utilization of the indicated driveC、 It can best be represented by the equation (%iowait - %ioidle)D、 It can best be represented by the equation (kilobytes read/kilobytes written) *100
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Bernoulli’s equation can be derived from the conservation of ()A、energyB、massC、volume D、pressure
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单选题简化的伯努利方程(Bernoulli equation)是()。A
ΔP=4Vmin2B
ΔP=4Vmax2C
ΔP=ρ(V22-V22)Vmin2D
ΔP=C-ρ/2-ρghE
ΔP=dv/dt+R(V)
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单选题Sidereal time is used by navigators when().A
used with the equation of timeB
used in the form of LHA AriesC
calculating the time of moonriseD
determining local apparent time
考题
单选题In an iostat report, which of the following options best describes the value of % tm_act?()A
The total CPU usage for this driveB
The bandwidth utilization of the indicated driveC
It can best be represented by the equation (%iowait - %ioidle)D
It can best be represented by the equation (kilobytes read/kilobytes written) *100
考题
多选题通过简化的伯努利方程(Bernoulli equation)可以求得()。A左房室瓣口狭窄的压力阶差B主动脉瓣口狭窄的压力阶差C心内分流的压力阶差D左房室瓣口反流的压力阶差,估算肺动脉压力E右房室瓣口反流的压力阶差,估算肺动脉压力
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单选题非齐次线性方程组AX(→)=b(→)中未知数个数为n,方程个数为m,系数矩阵A的秩为r,则( )。A
r=m时,方程组AX(→)=b(→)有解B
r=n时,方程组AX(→)=b(→)有唯一解C
m=n时,方程组AX(→)=b(→)有唯一解D
r<n时,方程组AX(→)=b(→)有无穷多解
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名词解释题米氏方程(Michaelis-Menten equation)
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