This paper proposed the theory of digital counting instantaneous frequency measurement and analyzed the error of frequency measurement.
文章介绍了一种用直接数字计数测量瞬时频率的原理，并进行了测频误差分析。
2
The special film structure of transducer can reduce greatly the instantaneous temperature error from the thermal shock.
传感器的特殊膜片结构可以大大减小瞬变温度误差。
3
The method of error correction in accounting computerization system is also known as regret operation, which includes red-ink entry, instantaneous amendment and converse operation.