Dear Readers, Technical Committees are the Instrumentation and Measurement Society's “Center of Expertise.” Beginning this year, our IEEE Instrumentation & Measurement Magazine will publish a special issue dedicated to introducing technical committees' activities every year. The Instrumentation and Measurement Society currently has twenty-two Technical Committees, and they have been distributed among different topical areas. In this issue we are going to give you details on the work of seven different Technical Committees: TC-2 (Impedance Spectroscopy), TC-10 (Waveform Generation, Measurement and Analysis), TC-13 (Wireless and Telecommunications in Measurements), TC-19 (Imaging Measurement and Systems), TC-34 (Nanotechnology in Instrumentation and Measurements), TC-37 (Measurements and Networking), and TC-41 (Traffic Enforcement Technologies).

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亲爱的读者，技术委员会是仪器仪表和测量协会的“专业中心”。从今年开始，我们的IEEE仪器与测量杂志每年都会出版一期专刊，专门介绍技术委员会的活动。仪器仪表与测量学会目前有22个技术委员会，分布在不同的主题领域。在本期中，我们将向您详细介绍七个不同技术委员会的工作：TC-2（阻抗谱）、TC-10（波形生成、测量和分析）、TC-13（无线和电信测量）、 TC-19（成像测量和系统）、TC-34（仪器和测量中的纳米技术）、TC-37（测量和网络）和 TC-41（交通执法技术）。