Accordingly, the piezoelectric resonator element that reduces the occurrence of deviation, which is caused by {HEAD ~ the acceleration} from {TAIL ~ the third direction}, of the resonance frequency of the flexural vibration can be formed 
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Accordingly , the piezoelectric resonator element that reduces the occurrence of deviation , which is caused by { HEAD ~ the acceleration } from { TAIL ~ the third direction } , of the resonance frequency of the flexural vibration can be formed
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH