1 Currently, China adopts a legislative policy encouraging derivative action.

2 Integral and derivative action, lead and lag compensators.

3 The article researches the derivative action from the follow parts.

4 Derivative action (referred to by the letter D) measures and responds to the rate of change of process signal, and adjusts the output of the controller to minimise overshoot.

5 The qualification of the qualified plaintiff shareholder in derivative action is suspectable to be much too strict in some respects.

6 Chapter four raises some ideas of setting up derivative action in China.

7 Secondly,[] the first part of the body is mainly about the summary of derivative action.

8 Shareholder action system comprises shareholder direct action and shareholder derivative action.

9 If the value is steady, whatever the offset, then derivative action does not occur.

10 The second part is about the theoretical base of thethe shareholders " derivative action. "