The procedure of heavy metal cadmium ion transport through unsaturated soils was simulated by virtue of laboratory soil column tests.
采用实验室土柱法研究了重金属镉离子在非饱和土壤中的迁移规律。
The virtue-based government was both a significant legacy the people of Zhou left to the later generations and a heavy burden upon the shoulder of the Chinese people.
站在今天的立场上,对它进行批判和反省,以一种面向世界和未来的人类情怀重塑人的理想,是我们的历史责任。
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