Grace Miller and Theresa Vincent staff the PBX, or private-branch exchange, switchboard at the Southern California Air Pollution District office in 1959.
1959年，南加利福尼亚空气污染地区办公室专用分组交换机的接线员格雷斯·米勒（Grace Miller）和特瑞莎·文森特（TheresaVincent）位于接线总机旁边。
The model was applied to Hanyang District, Wuhan to study urban non-point source pollution control technology, and satisfactory results were achieved.
所建模型已成功地应用于武汉市汉阳地区城市面源污染控制技术研究，获得了满意的结果。
Only the change of energy structure, the good use of natural gas liquidized gas and water power and the reduction of coal with the content of s can we prevent acid rain pollution in Wanzhou District.
只有改变能源的结构组成，充分利用天然气资源、液化石油气、水电资源，减少含s煤的使用，才能消除酸雨对万州区的污染。
Objictive: to understand 10 pollution circumstance of the big foods in Haidian District of Beijing so as to guide people how to choose food.
前言：目的：了解北京市海淀区10大类食品的污染情况，为指导市民合理消费提供依据。
Baiyun District is the major Industrial Zone in Guiyang, for historical reasons, the city layout is not sound, the industrial pollution is severe and the human living environment has been affected.
白云区是贵州省贵阳市主要的工业区，由于历史原因，城市布局不尽合理，工业污染较为严重，居住环境受到影响。
The existing pollution in Dong Sheng District was discussed, and the measures which have been adopted were analyzed, some ideas were put forward.
阐述东胜地区存在的污染及目前东胜区采取的措施和本人的几点看法。
The main objective of this research is to study the impact of petrochemical industry pollution on the environmental quality of Quangang District and put forward the countermeasures.
文章的主要任务是研究石化工业污染对泉港区环境质量的影响并提出治理对策。
It is thought that the treatment can release formation pollution and communicate crack which provides a liable basis for developing and exploiting at next step of this district.
认为酸化措施解除地层污染并沟通了地层的裂缝，为该地区的下步勘探开发提供了可靠依据。
There are many colleges and research institutes in the higher education cultural district, where the population density is high and the impact of the environmental pollution is wide.
高教文化区是一个城市的特定区域，区域聚集多所大中专院校和科研院所，人口密度大，环境污染影响范围广。
The detection results indicate that the pollution situation is still very serious in this district.
结果表明，该地区多环芳烃污染情况仍然非常严重。
The results indicate that environmental pollution in Wuxi City mainly results from the expansion of economic scale in Urban District and Jiangyin.
结果表明，无锡市的环境污染恶化主源于市区和江阴经济规模的共同扩张。
Suggestions for future thallium pollution protection have been put forward according to present state of Xiangquan thallium mineralized district and possible exploitation of thallium deposit.
针对香泉铊矿化区铊污染的现状和未来铊矿床的开采，提出防治建议。
The amount of sickness in this district demonstrates that the water pollution levels are too high.
这地区疾病之多说明这里水污染太严重了。
Based on the calculation and analysis of comprehensive index-polluted, shallow-seated groundwater in Dongtinghu district can be divided into 4 classes of serious, middle, lower and no pollution.
据综合污染指数计算分析，洞庭湖区域浅层地下水分为重度、中度、轻度和非污染4个等级。
With the deterioration of water environment increasingly, it is urgent to found a pollution load model which can image the whole status in a district.
水体污染加剧，水环境质量日益恶化，迫切要求建立一个能够反映区域总体状况的污染负荷模型，这对流域水资源规划及调度具有重大意义。
Some geological environmental problems, such as waste pollution and surface destroy occurred in mineral resources exploration in Licheng district, Jinan city.
济南市历城区的矿产资源开发存在三废污染、地貌破坏等地质环境问题。
An air quality simulation model-column model for describing photochemical smog pollution at Xigu district in Lanzhou has been developed.
以兰州西固地区为研究对象，建立了描述该地区光化学烟雾污染的大气质量模拟模式——柱子模式。
Combining with the current situation of the field investigation, and basing on the second grade border, we assign the polluted area to be the early warning district of soil heavy metal pollution.
结合野外实地调查现状，以二级边界为基础，将污染区域划为土壤重金属污染预警区。
In accordance with the situation of oil pollution in Dawu water source district, Zibo City, a dynamically simulating study on transport performance of oil contaminants has carried out.
针对淄博市大武水源地的石油污染状况进行了动态模拟石油类污染物迁移特性的研究。
The results indicate that farmland eco-environmental situation near the industrial district is poor, and crop pollution is mainly harmed by fluoride pollution.
结果表明，工业小区附近农田生态环境状况不良；以氯化物为主的废气污染危害小麦等农作物。
The urban district nitrate nitrogen pollution intensity is bigger than the humanity to move a weaker area by far.
市区的硝酸盐氮污染的强度远远大于人类活动较弱的地区。
According combine traffic noise data with GIS, particularly analyze and assess the traffic noise pollution distributing and impact of Huicheng district in this paper.
本文将交通噪声数据与GIS相结合，详细分析和评价了惠州市惠城区交通噪声污染现状分布、影响。
Then using the method of AHP to calculate and analyze the data, the corresponding index of the non-point pollution degree in irrigation district can be get to evaluate the rank oft…
通过AHP方法，对所得到的数据进行计算分析，最后可得出灌区面源污染程度的相应指数，从而定出灌区面源污染的等级，这为灌区建设计划的制定和实施提供很好的依据。
The model was applied to Hanyang District, Wuhan to study urban non-point source pollution control technology, and satisfactory res…
该模型可为城市水环境规划、面源控制和管理研究提供科学手段。
The model was applied to Hanyang District, Wuhan to study urban non-point source pollution control technology, and satisfactory res…
该模型可为城市水环境规划、面源控制和管理研究提供科学手段。
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