支持预置参数：超快，快，快，快，快，中，慢，慢。
Supports preset parameters: Ultrafast, Superfast, Veryfast, Faster, Fast, Medium, Slow, Slower.
但语句对象提交不同的sql语句进行批处理，而预置语句提交的是一组参数。
But a statement object submits different SQL statements to batch, while prepared statement submits a set of parameters to batch.
总而言之，短小的查询和OLTP事务就像含参数占位符的预置语句一样，具有更快的速度。
In a nutshell, short queries and OLTP transactions are faster as prepared statements with parameter markers.
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。
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.
经实测资料验证，模型能较准确预置调节参数，实现智能化控制。
Verifying by the information of actual measurement, the model can be more accurate to preset and regulate parameters, and can realize intelligent control.
使焊机具有参数预置、规范销定、数字显示及自动引弧和收弧等功能。
The developed welder has many advantages such as specification parameters preseting, locking, digital display, and automatic arc starting and stopping functions.
该控制器具有焊接参数预置、记忆、锁定、数显以及自动引弧、收弧等功能。
The developed welder presented many advantages such as welding parameters preset, store, lock, display, and automatic arc starting and stopping functions.
研究中讨论了脉宽调制电路、驱动电路、恒值采样反馈电路、保护电路、参数预置与显示电路的组成及工作原理。
The pulse width modulate circuit, drive circuit, sample circuit, protecting circuit and parameters preset and display circuit are respectively analyzed.
具有一元化调节功能，可预置焊接电流，能自动匹配规范的焊接参数，操作简单，有利于初用者的操作。
With unified adjusting function, it can preset welding wire diameter and welding current, can automatically match out the regulated welding parameter, it's easy to for beginner to operate.
经实测资料验证，模型能较准确预置调节参数，实现智能化控制。
Verified by the information of actual measurement, the model can be more accurate to preset and regulate rolling parameters, and can realize intelligent control.
使焊机具有参数预置、规范销定、数字显示及自动引弧和收弧等功能。
The developed welder has many advantages such as specification parameters preseting, locking, digital display, and automatic arcs…
经实测资料验证，模型能较准确预置调节参数，实现智能化控制。
Verifying by the information of actual measurement, the model can be more accurate to preset and regulate parameters, and can real…
设计的数字化显示电路，采用数字面板表进行显示。在参数预置时显示参数预置值，在焊接过程中显示焊接电压与电流。
The digital display circuit using a figure panel instrument was designed to implement real-time display of the Settings and the voltage and current in the welding process.
一个典型的GTPRO运行通常只需从预置值或自动产生的数值中改变30个输入参数。
A typical GT PRO run may involve changing only 30 of the inputs from their defaults or their automatically-generated values.
下位工业控制计算机主要用于实验数据采集和参数预置；
The industry computer system mainly compulish data acquisition and signal setting during the experiment and finish data storage and management;
下位工业控制计算机主要用于实验数据采集和参数预置；
The industry computer system mainly compulish data acquisition and signal setting during the experiment and finish data storage and management;
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