求翻译：压电测力仪标定一般采用专用的标定装置完成，要求其具有足够的刚度、精度、合适的加载范围、可靠的自锁性和简便的操作性。是什么意思？

Piezoelectric dynamometer calibration generally use a dedicated calibration device to complete, asking them to have sufficient rigidity, accuracy, load range, reliable self-locking and easy operability.

Ms power piezoelectric detection demarcation of general use a dedicated calibration devices, calling for its completion is of sufficient rigidity, precision, suitable load range, reliable self-locking and easy maneuverability.

The piezoelectricity resistance dynamometer demarcation uses the special-purpose demarcation installment to complete generally, requests it to have the enough rigidity, the precision, the appropriate load scope, the reliable self-locking and the simple operationality.

Piezoelectric dynamometer calibration completed using special calibration devices, requires that they have sufficient rigidity and accuracy, load range, reliable locks suitable and easy to operate.

Book lies the purpose of