The structure, correction operation and correction strategy effectively enhancing the accuracyofinstrument are introduced.
介绍了它的结构、校正运算和校正策略，能有效地提高仪表的精度。
2
The phase mismatch error is the main error source of sound intensity measurement system. It is difficult to eliminate this error only by upgrading the accuracyofinstrument.
相位失配误差是声强测量系统的主要误差源，仅靠提高仪器的精度很难消除这一误差。
3
This section defines a number of terms related to instrumentaccuracy.