The main difference is that, unlike the statement class, prepared statement is complied and optimized once and can be used multiple times by setting different parameter values.
预置语句与statement类的主要区别在于，前者可以只编译和优化一次，然后通过设置不同的参数值多次使用。
There are some deficiencies in the temple, like structural parameter of it needed being optimized, and the cost is relatively high in the trial-manufacturing moment.
新型边撑目前还存在一些不足，例如其结构参数还有待于优化；在试制阶段成本相对较高。
It is used for multi parameter and nonlinear optimized data processing in log interpretation.
文章将遗传算法用于测井解释中，研究多参数、非线性最优化测井数据处理问题。
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