长期稳定性
Which have the following advantages: high coercive force, high electric resistance, long-time stability, and economical price.
它们具有:高矫顽力、阻抗、效稳定性和经济的价格。
Which have the following advantages: high coercive force , high electric resistance, long-time stability, and economical price.
它们具有: 高矫顽力 、 阻抗 、 效稳定性和经济的价格.
The long-time stability analysis of stope and pillar shows, it is inadvisable to not consider the time factor in the elastic deformation.
这说明了在矿房矿柱长期稳定性分析中,不考虑时间因素的弹性变形是不可取的。
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