使每个连续的光电倍增管电极的电压都比它前面一个电极的电压更高，这样电子就得到加速。
Electrons are accelerated by making the voltage of each successive dynode of the tube more positive than the previous one.
触点痕。由于供焊接电流的电极与管子表面间的电接触，致使在焊缝线附近产生不连续痕迹。
Contact mark. Intermittent marks adjacent to the weld line resulting from the electrical contact between the electrodes supplying the welding current and the pipe surface.
使用多电极阵列，可以进行实时、连续、无损的细胞外信号记录，多个通道的同时记录与分类技术的结合可用于神经元网络的功能及其动力学研究。
The technology of multi-electrode arrays can stimulate and record many neurons' activities simultaneously. This technology can be used to study the function and dynamics of neural networks.
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