Since 1979 China has collected 24.7 billion yuan in pollutant discharge fees.1979年以来,全国共征收排污费247亿元.Knowledge of any given exposure to air pollutant mixtures is largely inadequate.关于任何特定的暴露于空气污染混合物中的知识,都是极为欠缺的.We will dis...
This chapter describes methods of estimating airborne pollutant concentration distrubutions associated with various emission sources.本章论述几种有关各种排放源的大气污染物浓度分布的估算方法.A pre - dicing method for calculating the distribution of ...
They drove home with their windshield wipers going whoosh whoosh.他们驱车回家，一路上挡风玻璃上的雨刮器不停地呼呼刮着。She tore the windscreen wipers from his car.她猛地扯掉他车上的雨刷。The windscreen wipers thudded back and forth.挡风玻璃上的雨刮“啪嗒啪嗒”地来回摆动。...
Departments of public health must enhance control over prescribed ephedrine preparations.卫生部门要加强对麻黄素单方制剂的管理.Pharmacists are required by law to give the medicine prescribed by the doctor.法律规定药剂师必须按照医生开的处方配药。The barons too...