This paper take one kind of 3-UPS PKM(parallel kinematic machine) as the research object,has studied this PKM workspace characteristic,and separately analyzed the restraint organization the variation in the length of various rods and the range of variation in the corner of various joints to the workspace shape influence situation.

Study on the constraint mechanism to managers of corporate in China;

On the founding of incentive and constraint mechanism for managers in state-owned enterprises;

The Study on Incentive and Constraint Mechanism of Construction Corporation Manager in Our Country;

Excitation and restriction mechanism in state-owned enterprises;

An Analysis of the Restriction Mechanism for the Japanese Bank-Corporate Credit Relationship;

This paper introduces the connotations of rural basic medical service, analyzes on the necessity and basic means of intervening in the rural basic medical service by the state, and advances the motivation mechanism and restriction mechanism for the supply of the medical service.

The Restrictive Mechanism of Rural Women Flow: A Perspective of Social Gender;

A study of the selective,incentive and restrictive mechanism of the executives of state enterprises;

This paper raises two ways of cutting down the manager s moral risk, restrictive mechanism and encouraging mechanism, in modem enterprise systems from remarkable characteristics management seperation from ownership.