【单选题】For a given displacement,the righting arm has its maximum value when().
B.
angle of inclination is a maximum
C.
small-angle stability applies
【判断题】植物细胞的后含物包括淀粉粒、糊粉粒、造粉体及质体等。( )
【单选题】What is the pressure ratio for the maximum theoretical value of nozzle outlet velocity?
【单选题】In using the inner diameter micrometer, in order to reduce the measurement error, the maximum value should be found in the radial section and( ) in the axial section.
【简答题】y=a sin(ax+b)+b, if the minimum value of y is 12, the maximum value is 52, then ab=___.
【单选题】Maximum Logical Value表示?