水源

By the early days of 20 century, the proportion of negative ion in the aerosphere is 2 to 1, however basis on the recently data, the proportion just opposite become 1 to 2, this is attributed by the pollution of the air, water and other kinds of contamination.

这都是归因於人为因素对大自然迫害所致，像是空气污染、水源污染以及其他的有害污染之故。

Our air and water are cleaner. Our food and drinking water are safer.

我国的空气和水源更洁净，食品和饮用水更安全。

General headquarters of the air force; air command

在沙漠中，人们是很难寻找到水源的。

Water,soil and air there are in line with the standards of organic agriculture.

"自然与健康"是杨百利公司的发展理念，我们的原料基地位于华东地区最大的原始森林（亚热带低纬度常绿阔叶林），这里的水源、土壤和空气都符合有机农业标准。

Also on the south surface water source heat pump systems and air-cooled heat pump performance of the comparison test.

还对南方地区地表水源热泵系统与风冷热泵的性能进行了对比测试。

It provides habitat and nourishment for marine life and is a source of algin, a stabilizing

这种植物有双倍义务：它供应动植物的生活环境和食物，维持海产品的生命，也是为褐藻胶提供水源，稳定化

The projected video picture is the size of an altarpiece and looks like one: the cross on the wellhead suggests an altar frontal, and the spare clarity of the setting and rich, vivid colors of the costumes evoke High Renaissance paintings.

录像的投影看上去像个祭坛大小：水源上的十字暗示了祭坛的前沿，而那些看上去过分清晰的布景及豪华、丰富鲜艳的服装唤起了文艺复兴时期的绘画。

In the or so both sides of Nereus each stand have mind of two honour water, on the water God of right, have " the girl indicates fountainhead " anaglyph, and the traditional Chinese painting of beautiful women that there is 4 delegates the four seasons above anaglyph resembles.

在海神的左右两边各立有两尊水神，右边的水神像上，有一幅「少女指示水源」的浮雕，而浮雕上面有四位代表四季的仕女像。

Based on the analysis of Laoshan District, the research was carried on including water environment capacity, water allocation and forewarning evaluation. Hydraulics, System Dynamics and analytic hierarchy process are applied in the research. The main contents and conclusions are as following:1. With economic development, urbanization and continuous improvement of people\'s living standards, the demand of water resources in Laoshan District will continue to increase dramatically.

本文在分析青岛市崂山区水资源利用现状的基础上，运用水力学、系统动力学和层次分析法，对区域水环境容量、水资源优化配置和水资源复合系统安全预警进行了系统的研究，主要得到以下结论：1、随着经济建设、城市化的发展和人民生活水平的不断提高，崂山区水资源需求量正在并将继续急剧增加，且由于区域水资源时空分布不均衡，新水源开发、客水调入难度大，部分地区已出现水资源紧缺状况。

Based on the Analytical Hierarchy Process, the optimal treatment processes are selected from the aspects of economy, management and technology.

利用所建立的层次分析模型，从经济、管理因素和技术指标等多方面，确定了适合天津水源条件的较优组合工艺，为水处理系统的调度提供依据。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。