焊点细小牢靠、导电性好、无讯号衰减，在经受高温和低温时不会脱落。
Small solid solder joint, electrical conductivity, and no signal attenuation, when subjected to high temperature and low temperature will not fall off.
在这段时间内，突触传导以激化的NMDA受体，并显现大多数是无讯号突触。
During this period, synaptic transmission was primarily mediated by activation of NMDA receptors, suggesting that most synapses were functionally silent.
同时利用观测器之估测转速当成回授讯号，达到无测速计直流马达的速度控制。
Using the estimated speed as feedback signal, we have accomplished the sensorless control of a DC motor.
同时利用观测器之估测转速当成回授讯号，达到无测速计直流马达的速度控制。
Using the estimated speed as feedback signal, we have accomplished the sensorless control of a DC motor.
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