Embodiments of a piezoelectric resonator element, a piezoelectric resonator, and an acceleration sensor according to {HEAD ~ the present invention} will be described below based on a tuning fork type piezoelectric resonator element with {TAIL ~ reference} to the accompanying drawings 
Embodiments of a piezoelectric resonator element , a piezoelectric resonator , and an acceleration sensor according to { HEAD ~ the present invention } will be described below based on a tuning fork type piezoelectric resonator element with { TAIL ~ reference } to the accompanying drawings
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