In order for a PERL program to transform a dynamic SQL statement into executable form, you need to first use the prepare method, and then bind parameters using the bind_param method.
为了让Perl程序将动态sql语句转换成可执行的格式，需要首先使用prepare方法，然后使用bind _ param方法来绑定参数。
This method make it easy and reliable to obtain the dynamic parameters of rolling bearings.
为滚动轴承动态参数的获取提供了一种可靠的、简便易行的新方法。
Based on artificial neural network technology and PC technology, a dynamic estimation method of EAF electric parameters is presented.
本文基于智能技术和PC技术，开发了一种电气参数动态估计和能量优化方法。
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