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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
The focusing of the microbeads is done automatically by moving the objective with a piezoelectric device mounted on the nosepiece of the microscope.
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For better penetration of elastic cell membranes, a simple piezoelectric device is described.
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The advantages of the ultrasonic linear motor are high resolution, no magnetic noise generation due to the DC characteristics of the piezoelectric device, high servo rigidity, high holding torque and none additional brake system.
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This paper describes our design solution with a simple fabrication process for a water-immersible piezoelectric device, which separates the bottom electrode from the top electrode by having a narrow ditch covered with PZT film.
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A piezoelectric device for measuring the pressures in weak air shock waves due to blasting
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| | The paper introduces a free-flooding piezoeletric ring array. The array element is a ring with exposed ends, which is tangentially polarized. The ring is composed of a mass element and a piezoeletric element. By adjusting the ratio between the array's diameter and length, the optimal cavitation frequency can be obtained. As a result, one can expand the frequency band and reduce undulation of the transmission response. The ring array has the advantages of low frequency, wide band, high transmission response ... | | 文章介绍一种研制成功的自由溢流式质量负载压电圆环阵,该圆环阵由数个短圆环同轴布阵而成。圆环阵的基元(短圆环)是一种开口的切向极化短圆环,短圆环由质量件和压电组件嵌拼而成,这种结构可以有效降低圆环的径向谐振频率;通过调节圆环阵的径长比,可以获得合适的液腔谐振频率,从而有效降低圆环阵的下限频率,拓宽圆环阵的工作带宽,减小发送电压响应起伏。该圆环阵具有低频、宽带、高发送电压响应和大工作深度等优点。 | | 文摘来源 | |   |
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