In this paper, a fine feed mechanism drived by electromagnetic force with a high response frequency and a large travel is introduced.

介绍了一种电磁式微进给驱动机构，并进行了动态特性分析。

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Magnetoelectric sensor is a kind of non-contact sensor and has some useful characteristics, such as non-contact, high response frequency, low power waste, high reliability, long life-span and etc.

磁电传感器是一种非接触式传感器，它具有无触点、无开关瞬态抖动、响应频率高、低功耗、高可靠性和长寿命等特点。

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The wafer is a piezoelectric resonator, expanding and contracting in response to electrical voltages at a precise, extremely high frequency.

该晶片是一个压电谐振器，以精准而极高的频率对电压作出反馈，进行放大和收缩。

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The cylindrical speaker features two high-performance drivers, a built-in bass port and digital signal processing software to extend frequency response on the high end while providing tighter low ends for deeper bass response.

ENGADGET: JBL freshens its portable speakers with Micro II, Bluetooth-toting Flip and Micro Wireless

Bleaching is triggered by high temperatures and its frequency has increased, probably in response to global warming.

ECONOMIST: The Great Barrier Reef: Dr De��ath v the killer starfish | The