top-level environment

The sour water tank in the stripping unit normally has a dome roof, a great quantity of pungent odorizing gas containing ammonia diffusing from the top of the tank, which pollutes environment and impact on the human health.

污水汽提装置酸性水罐一般为拱顶罐，罐顶散发大量含硫、含氨等恶臭气体，污染周围环境和影响人体健康。

One in 10 buyers rand toilet rolls made from recycled paper among their top considerations, highlighting how overall the environment is much less of a consideration for shoppers than product quality.

1/10的购买者会将回收用纸制造的厕纸作为首选，这表明对于消费者而言，对环保方面的考虑远不及产品质量。

To simulate the environmental condition of elevated CO2 and O3, optimal open top chamber ( OTC-1) was designed to control the atmosphere concentrations automatically. Any other environment factors in the chamber are kept to be close to nature for arboreal growth.

为了模拟CO2、O3质量浓度升高的环境条件，OTC-Ⅰ型优化开顶式气室设计实现计算机自动控制气室内的气体质量浓度，其它环境条件接近自然状态，气室内空间适合木本植物生长。

The top row captures elements of the different sub dimensions of the environment for ICT in the state of Qatar& market, political, and infrastructure.

最上面一行捕捉不同子元素对环境的尺寸在卡塔尔市场，政治，信息和通信技术基础设施的状况。

Top-layer research on the virtual test environment of ship integrated navigational performance

舰船综合航行性能虚拟试验环境（数值水池）顶层研究