More than 3.67% of Zn Pb have been released to the surrounding environment and caused the pollution by computing.
通过计算可以判断出其中3.67%以上的Zn Pb已经释放到周围环境中对环境造成污染。
Small scale Ag-Pb-Zn oxidation ores at shallow of Yinchangpo deposit have been basically mined out.
通过调查发现，银厂坡矿区浅表为一小型银铅锌氧化矿床，但基本已被采空。
Comprehensive effects of cu, Pb and Zn in Soil on growth, yield and quality of rice have been studied through a series of pot culture experiments with a 4 level and 3 factor orthogonal design.
采用4水平3因子正交试验设计，通过盆栽试验，用添加法研究了铜、铅、锌及其复合污染的红壤性水稻土对水稻生长、产量、品质的综合影响。
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