Instantaneous Hammering method which is a simple and efficient method has been widely used in inspecting the defects of pile foundation.
瞬态敲击法是一种简便、有效的检测桩身质量的方法。
This paper deals with a testing and analytical method for studying gas turbine vibration characteristics by use of transient excitations, i. e. hammering method.
文章说明了利用瞬态激振，即锤击法，研究燃气轮机振动特性的试验及分析方法。
The dynamic method for testing the density of soft subsoil by instant hammering is fully a new research subject.
利用瞬态锤击法对广泛存在的软土路基或地基土进行密实度动态测试方法研究是一个全新的课题。
A method about improving the crack resistance of weld metal and reducing structure stress during welding process, i. e. hammering welds and watered rapid cooling after welding, was obtained.
研究出了提高焊缝金属抗裂性能及降低焊接过程结构内应力的工艺方法——焊后捶击焊逢并浇水快速冷却。
The geological condition is complicated and varies often. Using the method of pre-support through hammering wedge, the cave mouth digging work of No. 640 main transportation channel was successful.
简述了板石矿业公司上青矿640主运输平巷在硐口段施工过程中，克服地质条件复杂、多变的现状，采用撞楔超前支架法施工，硐口掘凿获得成功。
The method for measuring the compactness of soft soil by instant hammering, and the signal analysis method based the wavelet and AR spectrum analysis are put forward.
针对地球质心运动主要是由多种周期运动叠加的特点，依次讨论了谱分析方法中的AR模型谱分析和小波谱分析方法。
The method for measuring the compactness of soft soil by instant hammering, and the signal analysis method based the wavelet and AR spectrum analysis are put forward.
针对地球质心运动主要是由多种周期运动叠加的特点，依次讨论了谱分析方法中的AR模型谱分析和小波谱分析方法。
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