Base on the survey of internal and external research about COD on-line automatic monitor, COD on-line automatic monitor with Coulomb method was designed, studied, and made.
在调研国内外COD自动在线监视仪的基础上，设计、开发并研制了以库仑法为原理的自动在线监视仪。
Base on the understand of foreign trade feeder line transportation market and customer requirement survey, make out the most important characteristics in customer-concerned service.
再通过对当前外贸支线运输市场影响因素的了解，进行客户需求情况调查，总结出码头业务拓展中客户最为关注的服务特征。
This method apply the length of the stadia as base line, survey the vertical angular of the two ends of the base ling by theodolite and get the distance between the station and stadia.
该方法是以视距尺的定长作基线，利用经纬仪测定基线两端点的竖直角，求出立尺点至测站点间的距离。
This method apply the length of the stadia as base line, survey the vertical angular of the two ends of the base ling by theodolite and get the distance between the station and stadia.
该方法是以视距尺的定长作基线，利用经纬仪测定基线两端点的竖直角，求出立尺点至测站点间的距离。
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