Results The sanitary protection of water sources was greatly strengthened after the water improvement project.

结果与改水前比较，水源的卫生防护状况有很大改善；

Objective To explore the effect of water improvement and the sanitary protection of water sources in Linyi City.

目的了解临沂市改水效果及水源的卫生防护状况。

Women are extremely unlikely to switch their brand of sanitary protection after adolescence and European taste in alcoholic drinks tends not alter much beyond 35.

妇女一过青春期，更换卫生防护用品品牌的可能性就极小；而欧洲人一旦超过35岁，喝酒的口味往往就不会有太大变化。

Methods Surverys were made on the sanitary protection of water sources after the water improvement project in Linyi City and meanwhile the quality of tap water was monitored.

方法对临沂市改水前后水源的卫生防护状况进行了调查，并对自来水水质进行了监测。

This article introduces the relation between human and environment, Such as energy utilized, air pollution, water resources, wildlife protection, sanitary habit .

本文主要讲述了能源利用、大气污染、水资源、野生动物保护、卫生习惯等方面人与环境的关系。