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