It is an effective solution to overcome the deficiency mentioned above that introducing the harmonic drive technology into conventional motor driven by giant magnetostrictive material.

将谐波传动技术应用于超磁致伸缩电动机中，研制新型超磁致伸缩谐波电动机将可以有效克服这些缺陷。

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Response frequency is increased by giant magnetostrictive material as valve core component and elaborate designed drive circuit.

采用超磁致伸缩材料作为阀芯的高频响应元件，及精心设计的阀驱动电路，以提高电磁阀的响应频率；

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It is important to apply a suitable power amplifier to drive the transmitting coil in magnetostrictive nondestructive testing (NDT).

使用合适的功率放大器驱动激励线圈，是实现基于磁致伸缩效应无损检测技术的关键环节。

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