The logistic curve model can well simulate the settlement-time curve of foundation under uni-level loading with its own virtues, which has been validated by others.
增加曲线模型自身的特点，决定了它能很好地拟合一级荷载下的地基沉降-时间曲线，这已得到了验证。
Special attention should be given to the proximal screw fixation. In this case the use of uni-cortical screws is recommended around the stem of the implant and bi-cortical screws below this level.
应特别注意近端螺钉固定，在此案例下，使用单皮质螺钉推荐用于假体干部，而双皮质螺钉用于假体之下。
Theories of these differences have been switching from group-level to individual-level, and from uni-dimension to dual-dimension.
在理论上，对养育目标文化差异的解释呈现出从群体水平到个体水平、从单维到双维的发展趋势。
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