本文仅介绍笔者在工作中遇到的几种异常情况及通过实验识别仪器正常与否的方法。笔者深感在台站仪器老化日异严重的今天，认真识别仪器性能是否正常的重要性。
We deeply felt that the importance of identifying the function of instruments is good or not, especially when the problems of instruments aging become more serious in the near days.
他们正在研发一种水下电脑，这种仪器能识别海豚的声音，并据此及时做出回应。
They are in the process of developing an underwater computer that attempts to recognize dolphin sounds and then respond in real time.
同时测量周期越长，仪器对弱信号的识别能力越强，测量误差越小。
It is the longer to measure cycles, the stronger the capability of instrument recognition to the weak signal is, it is the less to measure the error.
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