大家都搜:
空气污染调查
1、pollution essays───污染论文
2、pollution───n.污染;污染物
3、survey taker───测量员
4、thermal pollution───热污染
5、survey───vt.调查;勘测;俯瞰;n.调查;测量;审视;纵览;vi.测量土地
6、pollution facts───污染事实
7、sediment pollution───沉积物污染
8、survey on───……调查
9、aerometric survey───航空测量
1、Combined surveying stoma types of dicotyledonous plants survey of bacteria pollution in the air, investigating learning ways and routes were explored in biological scientific movements.───结合《双子叶植物气孔类型观察》和《空气中细菌污染的监测》活动项目,探索生物科技活动中研究性学习的方法和途径。
2、The data comes from a county-by-county analysis of toxic air pollution released today in a survey known as the National air Toxics Assessment (NATA).───这个数据来自于今天公布的一份逐州的有毒空气污染的分析,它是在一项被称为国家空气毒物评估(NATA)的调查之中作出的。
3、understand the relationship between output loss of rice and the level of air pollution by field survey.───通过实地调查,初步弄清水稻受大气污染后,其产量损失与大气污染程度的关系。