Untrasonic pulse method was developed to explore the cracks of structures under water.
研究开发了用超声法探测结构物水下裂缝的方法。
The authors propose a constant pulse method to control the chaos of ferroresonance in neutral grounded system.
提出了常值脉冲法对中性点接地系统所发生的铁磁谐振混沌状态进行抑制。
The paper introduced the principle and method of ultrasound pulse method detecting the continuity, integrity and strength.
论述了超声脉冲法检测钻孔灌注桩连续性、完整性及强度的原理及方法。
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