Zinc acts as negative material of batteries, with the advantages of low equilibrium potential, good reversibility, high specific energy, rich resources, low cost, little poison and easy treatment.
锌作为电池负极材料，其优点有：平衡电位低、可逆性好、质量比能量和体积比能量高，而且锌资源丰富、价格低廉、毒性小、易处理。
The combination of equity and effectiveness can be classified into three categories: the high equilibrium, the non-equilibrium, and low equilibrium.
在理论实证部分，本文把各国公平与效率的结合分为均衡程度较高、非均衡和均衡程度较低三大类。
The combination of equity and effectiveness can be classified into three categories: the high equilibrium, the non-equilibrium, and low equilibrium.
在理论实证部分，本文把各国公平与效率的结合分为均衡程度较高、非均衡和均衡程度较低三大类。
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