采用磁栅转矩传感器和一种新的微机辅助相位差检测方法，研制了一套新型动态转矩测量系统。

Based on the magnetic grid torque transducer and a new computer aided method to measure phase difference, a new measuring system for dynamic torque is developed.

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公开了一种光学装置，该光学装置在相位差检测方法中能可靠地形成AF像并分离该AF像以提供优良的焦点检测性能。

An optical apparatus is disclosed which can reliably form AF images and split the AF images to provide excellent focus detection performance in the phase difference detection method.

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信号记录方法，相位差检测电路，及信息装置。

Signal recording method, phase difference detecting circuit, and information apparatus.

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