Through monitoring and analyzing, the status quo of environmental noise in Ji Ning city are discussed, and the measures of prevention and control are put forward.
本文通过监测分析描述了集宁市环境噪垢现状，并提出污染防治措施。
Based on major monitoring indices and investigation data, status quo, characteristics and trend of GPC atmosphere pollution are discussed and analyzed.
以大气污染的主要监测指标和污染源调查数据为依据，探讨广州石化大气污染现状和特征，并对其大气污染趋势进行了分析。
This paper describes the investigative status quo, existing problems and development trend of the on-line monitoring and expert diagnosis technique for insulation of substation high-voltage equipment.
论述了变电站高压设备绝缘在线监测及专家诊断技术的研究现状、存在的问题及发展趋势。
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