四害

除四害是一个大的清洁卫生运动，是一个破除迷信的运动。

Doing away with the four pests is a big public health campaign and a campaign to destroy superstition .

除四害也要搞大鸣、大放、大辩论、大字报。

To exterminate the four pests also calls for the free airing of views , great debate and big-character posters .

全体居民出动除四害。

The whole community turned out to wipe out the four pests .

四害密度控制率最高的为蚊，最低的为鼠；

The least reach-mark-ratio of four pests densities was rat density .

南京市四害密度调查及防制对策

The Density Investigation and Control of " the Four Pests " in Nanjing

某海岛部队营区四害密度调查研究

Study on the Density of Four Pests of a Military Camp in Island

对四害常用密度监测方法的评述和建议

Evaluation on density surveillance methods of four pests

全体居民出动除四害。地震灾区居民抗震减灾认知及态度调查

Survey on knowledge , attitude of anti-earthquake and disaster mitigation among residents of disaster area

除四害大炼钢铁对中国的环境造成了巨大的影响

This had a profoundimpact onChina 's environment

结论：有效的调查了解了海岛部队的四害密度。

Conclusion : The density of Four I'ests of the military camp is effectively investigated .

宜昌市宾馆饭店业四害种群及密度调查

Investigation and Study on Genera and Densities of Four Pests at Hotel and Restaurant in Yichang

圆形分布法和集中度在四害密度监测数据统计分析中的应用与评价

Application and Evaluation of circular distribution method and concentration degree in the statistical analysis of monitoring data

全体居民出动除四害。灭除杂草、害虫、老鼠

The whole community turned out to wipe out the four pests . Kill off weeds , insects , rats

方法生活区规划建设对四害生态环境影响的利弊进行比较。

Methods To compare the pros and cons of four pests ' ecologic environment by planned construction of residential quarter .

纲要里头有一个除四害，就是消灭老鼠、麻雀、苍蝇、蚊子。

There is an article in the programme about doing away with the four pests , that is , wiping out rats , sparrows , flies and mosquitoes .

他们最薄弱的领域是对易燃和高压标识、被动吸烟的危害及四害传播疾病等方面的认识。

Their weakest domain is the understanding of flammable and high-pressured marking , the harm of passive smoking and the diseases which were spreaded by flies , mosquitoes , rats , cockroaches .