由于局放信号属于弱脉冲信号，因此实现在线监测的首要问题是如何从强干扰中提取弱的非平稳随机信号。
PD signal is weak signal, so the first problem of on-line monitoring is how to pick up the weak anti-stationary random signal.
结论应加强干部职工健康教育和行为干预，预防慢性非传染性疾病的发生。
Health education among staff officers should be enhanced to prevent the attack of chronic noninfectious diseases.
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