【单选题】What is the Weibull distribution?
A.
It is the curve recording the number of faults in wind farms and lost running time as a function of operating hours
B.
It is the curve showing the real power output from a wind turbine as a function of wind speed.
C.
It is the characteristic distribution of mean wind speeds at a particular site.
D.
It is a measure of how gusty and turbulent wind is at a site.
【简答题】桥梁动载试验的激振方法中,自振法的特点是使桥梁产生有阻尼的自由衰减振动,记录到的振动图形是桥梁的衰减振动曲线。为使桥梁产生自由振动,一般常用突加载荷和突卸荷载两种方法。( )
【判断题】若图纸中单个梁标高有特殊标注应在设置梁构件中其它属性中修改量的起点标高和终点标高。
【单选题】梁在集中力作用的截面处,它的内力图特点是 。
【单选题】梁在集中力作用的截面处, Fs 与 M 图有下述特点:( )
【单选题】What is the distribution processing value? ()
D.
Changing the length, thickness and the package of the goods
【单选题】梁在集中力作用的截面处,它的内力图特点为
【单选题】梁在集中力偶作用的截面处,它的内力图特点是 。
【简答题】What is Distribution Resources Planning (DRP)?