海水在沙滩上留下了波痕。
介绍了热镀锌生产线锌流波痕缺陷及其影响因素。
The influence factors and zinc flow ripple mark defect in hot galvanizing production line are introduced.
这些形态的主要类型有波痕状微溶痕、定向脑纹状溶痕及多种脑纹石。
The main character of these micro barrens is that their genetic processes were affected by wind with the result of morphology oriented to the direction of wind.
黛眉山红石峡谷群红岩碧水堪称山水画廊，又是波痕、泥裂等沉积构造的天然博物馆；
The group of red stone valleys in Daimeishan can be said to be the gallery of mountains and waterscape, as is also the natural museum of ripple marks and mud cracks;
管子应通体均匀，无裂纹、无孔眼或杂质，还应无气泡、凹痕、波痕、拉模划痕和热痕。
Pipe shall be homogeneous throughout, free from cracks, holes or foreign material, and shall be free from blisters, dents, ripples, die and heat marks.
笔者在阐明涡流波痕产地地理背景的基础上，指出大潮差沙滩的后滨是发育涡流波痕的理想环境。
Based on geographical setting where eddy ripple are produced, the author notes that the backshore of sandy beach with large tide range is the ideal environment of eddy ripples.
我们可以看到，现在的湖底或浅海底部的沉积物中形成了波痕。许多沉积岩都含有类似这种波痕的特征。
Many sedimentary rocks contain such features as ripple marks, exactly like those we can see forming in sediments at the bottom of present-day lakes or shallow seas.
在黄河三角洲新识别出6种冰冻沉积构造：冰劈裂缝、冰成滑痕、冰塌裂缝、冰成球粒、冰蚀波痕和冰位痕。
Six sedimentary structures, ice split seams, ice slid marks, ice collapsed seams, ice induced pellets, ice eroded ripple marks and ice level marks, are newly found in Yellow River delta.
针对电能质量扰动信号的特性，本文采用小波变换对电力系统的高频、瞬时脉冲、电压切痕扰动信号进行检测。
According to features of power quality disturbance signal, this paper detects the disturbance signals of high-frequency, transient impulse and voltage notch with wavelet transforming.
通过对边界层参数的计算推论磨痕波长和波深演变规律，提出了冲蚀磨损机理新的研究思路。
Evolutional rule of wear trace wavelength and wave hollow from calculation of boundary layer parameter are deduced. A new thread of researches in erosion wear is provided.
通过对边界层参数的计算推论磨痕波长和波深演变规律，提出了冲蚀磨损机理新的研究思路。
Evolutional rule of wear trace wavelength and wave hollow from calculation of boundary layer parameter are deduced. A new thread of researches in erosion wear is provided.
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