现场工业试验成功地实现了大功率电机变频到工频的平稳切换，切换电流大大减小。
In the industry test is realized to successfully complete the switch from VF to WF, the switch current greatly decrease.
仿真和现场试验结果表明，系统在这种算法简单、实现容易的自适应控制律作用下，具有较好的参数自适应性。
The results of emulation and field test proved that the closed loop system has good adaptive performances under the control of the described simple adaptive rule.
现场试验结果表明，该技术酸化增注成功率高，有效期长，是实现砂岩地层深部酸化的一种新途径。
The field trial result showed that the method was a new approach to acidize sandstone with high success rate and long term.
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