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- In accordance with disadvantages of assessment method of mean value pollution index on water environment quality, the method of activated pollution index is introduced. 针对水环境质量的均值污染指数评价方法的缺点,提出了利用活性污染指数法评价微污染水体环境质量。
- The orient has been playing an active role in the world economy. 亚洲一直在世界经济中发挥积极作用。
- We should use anthracite to avoid air pollution. 我们应该使用无烟煤以防止空气污染。
- He is an active member of the school's stamp club. 他是学校集邮俱乐部的一名活跃会员。
- Pollution control has cleared the air. 污染管制已净化了空气。
- An active volcano may explode at any time. 活火山随时都有可能爆发。
- Is it wise to engage in active sports at your age? 我这样的年纪积极参加体育活动是否明智?
- Man is fighting a battle against pollution. 人类正在与污染作斗争。
- She was active as a left-winger in the party. 她是党内积极的左翼分子。
- Pollution is still very much a live issue. 污染现象仍然是当前的大问题。
- He was very active and rode down several horses. 他劲头很大,一连骑了好几匹马。
- She plays an active part in local politics. 她积极参与地方政治活动。
- The steel market will continue to be active. 钢材市场将会继续保持活跃。
- The soil becomes more and more acidic as pollution mounts up. 随着污染的加剧,土壤的酸化越来越严重。
- An active volcano may erupt at any time. 活火山随时可能喷发。
- Water pollution imperils all kinds of marine life. 水质污染危及所有海洋生物。
- He was disabled when on active service. 他在战斗中受伤致残。
- Ms. Brown is active in the party. 布朗女士在晚会上很活跃。
- The active boy was extremely distractible. 那好动的男孩极不专心。
- His lame foot disqualified him for active work. 跛脚使他无法参加积极活动。