The non-single resonance characteristics appear by forming proper impedance matching layers on the radiative surface of longitudinal mode piezoelectric transducer.

在复合棒纵向换能器的辐射端加上适当材料的阻抗匹配层，可以使其工作在非单谐振状态下。

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This dissertation analyzes the characteristics of single stage LC filter, two-stage LC filter, and resonance filter respectively.

本论文分析了单级LC滤波器、两级LC滤波器和谐振滤波器三种滤波器的特点。

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Its natural frequency falls into two parts when the loads exerted on generator rotor are asymmetrical. Dual resonance phenomenon appears based on the former single frequency vibration.

当发电机的外接负载不对称时，转子的固有频率一分为二，转子的振动在原来单频振动的基础上，产生了双重共振现象。

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And resonance is the idea that sometimes one single Lewis structure does not adequately describe the electron configuration around a given molecule, so instead you need to draw two different Lewis structures to describe that more appropriately.

而所谓共振态,就是有时候一个路易斯结构不足以,完整描述一个给定分子的电子排布，因此这时你需要同时画出两个,不同的路易斯结构来描述它,这样会更恰当。

麻省理工公开课 - 化学原理课程节选

In addition, Techniques like Positron Emission Tomography (PET), Single Photon Emission Computed Tomography (SPECT), and Magnetic Resonance Imaging (MRI) are going to unravel the mystery of the neuron jungle.

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