Therefore, according to the first aspect, striking the balance between the rigidities with respect to the flexural vibration can reduce {HEAD ~ a component} of {TAIL ~ vibration} in a direction that is orthogonal to the direction of the flexural vibration of the resonating arm 
of
Therefore , according to the first aspect , striking the balance between the rigidities with respect to the flexural vibration can reduce { HEAD ~ a component } of { TAIL ~ vibration } in a direction that is orthogonal to the direction of the flexural vibration of the resonating arm
OTH OTH OTH OTH OTH 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH