The dynamic characteristics of the spindle-bearing system are important criteria in the optimum design of machine tool spindle.

主轴-轴承系统的动态特性是机床主轴部件优化设计的重要指标。

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Firstly, according to all dynamic characteristics and rigid characteristics of the model, a second order control law is designed using a dynamic compensator method based on the optimum control.

依据该模型的全部动力特性和刚度特性，以最优控制为基础，采用动态补偿器方法，设计了两阶控制律。

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The characteristics of P507 latex resin adsorbing rare earth elements is studied by dynamic and static methods. The optimum conditions of separating the rare earth element is established.

采用静动态两种方法较系统地研究了P 507萃淋树脂吸附稀土的性能，并选择了分离稀土总量的最佳条件。

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In addition, all feature a specially designed Acoustic Optimizer that ensures dynamic sound and deep rich bass response, with optimum acoustical characteristics achieved by adjusting the sound pressure balance in front of and behind the diaphragm.

ENGADGET: Denon outs 2009 line of Blu-ray players, AV receivers and headphones