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- LI Jin-ming.Several tests on electricity and magnetoelectricity of water pollution and pollution grade[J].Chinese Journal of physical geography,1999,42(3):428 -434. [8]李金铭.;水污染的导电性和激电性与污染程度变化关系的几个实验结果[J]
- Taking the main water body of Lishui County in Nanjing as study object,the CBERS and TM data were respectively used to monitor water pollution,forming corresponding pollution grading charts. 以南京市溧水县的主要水体为研究对象,利用CBERS数据和TM数据分别监测水污染状况形成污染等级图,通过分析两者的差异,研究CBERS数据和TM数据在水体污染遥感监测方面的异同情况。
- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
- He's not in the first grade as a musician. 他不是第一流的音乐家。
- Business is now on the up grade. 目前生意蒸蒸日上。
- Pupils with 90% or more are awarded Grade A. 满90分的学生评为甲等。
- We should use anthracite to avoid air pollution. 我们应该使用无烟煤以防止空气污染。
- Pollution control has cleared the air. 污染管制已净化了空气。
- Man is fighting a battle against pollution. 人类正在与污染作斗争。
- Pollution is still very much a live issue. 污染现象仍然是当前的大问题。
- The sixth grade saw an educational film yesterday. 六年级学生昨天看了一部教育片。
- He received a failing grade on the term paper. 他的期末报告不及格。
- Red and yellow grade into orange. 红与黄混合成橘黄。
- The twins will enter the fourth grade this fall. 这对双胞胎今年秋季将升到四年级。
- 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。
- Their marriage is on the down grade. 他们的婚姻关系每况愈下。
- The trial flight has made the grade. 试飞成功。
- A clamor in the press for pollution control. 在报纸上对污染控制的呼吁
- The naughty boy had to repeat the fifth grade. 这个顽皮的男孩不得不重读五年级。
- Water pollution imperils all kinds of marine life. 水质污染危及所有海洋生物。