雨已开始在窗玻璃上留下条痕。
这些条痕大多数都比周围的沙子更暗。
有条痕的磨光面则称为擦痕面。
The striated and polished surfaces are called slickensides .
有条痕的磨光面则称为擦痕面。
那小孩用玩具在门上刮了一条痕。
盖玻片无气泡、划伤和条痕。
Cover glasses are free from bubbles, scratches, and striations.
而大约在一百年前天文学家夏帕雷里认为，这些条痕是运河。
Nearly 100 years ago, the astronomer, Schiaparelli, thought the marking to be canals.
晶体习性、光泽、颜色、条痕、解理、裂理、荧光、磷光、比重和磁性。
Crystal habit, luster, color, streak, cleavage, fracture, fluorescence, phosphorescence, specific gravity and magnetism.
对冷轧板中发现的条痕缺陷特征进行了分析，探讨了该缺陷的形成原因。
The characteristics and forming reason of faint-sliver defect found in cold-rolled steel sheet were discussed.
“那种机制” ——尘暴会把小的沙粒吹到旁边 ——“如何能同时产生明亮的条痕？
“How would that mechanism” — blowing small grains aside — “work with the bright streaks?
收拢不需要的省道，使肩到胸点这条线起皱痕，然后朝箭头标出的方向折这条痕迹线。
Close up the dart that is not required (in this case the neck dart) by creasing the line from the shoulder to the bust point and then folding the creased line in the arrowed direction.
此显微镜盖玻片防腐蚀、厚度均匀、扁平。该处理工艺实现了优越的清洁度。盖玻片无气泡、划伤和条痕。
These cover glasses are corrosion-resistant and uniformly thin and flat. The processing techniques result in superior cleanliness. Cover glasses are free from bubbles, scratches, and striations.
对电线的检验不仅限于通过对电线上的剪切痕迹进行检验来认定作案工具，有时通过对电线线皮上线条痕迹的检验也可以进行同一认定。
While deciding the crime tools, the test of wires can be used not only by testing the cut trace, but also by testing the trace of the wire skin.
本文在一个拖动的单缸实验机上，利用油点条痕法显示了活塞上燃烧室凹坑中挤流运动的流谱，研究了燃烧室形状和几何尺寸对挤流谱的影响。
The squish patterns in engine piston bowls with different geometry are visualized by the method of oil streak in a motored single cylinder test engine.
偶尔出现一架飞机由远及近，缓缓地从头顶上划过，末了，只留下一条痕迹，当云朵慢慢地移动到那条深深的痕迹时，再一眨眼的空隙，痕迹，稍纵即逝。
Occasionally a plane from far and near, slowly overhead, in the end, leaving only a trace, when the clouds slowly moving to the deep imprint, and the twinkling of an eye, trace, fleeting.
偶尔出现一架飞机由远及近，缓缓地从头顶上划过，末了，只留下一条痕迹，当云朵慢慢地移动到那条深深的痕迹时，再一眨眼的空隙，痕迹，稍纵即逝。
Occasionally a plane from far and near, slowly overhead, in the end, leaving only a trace, when the clouds slowly moving to the deep imprint, and the twinkling of an eye, trace, fleeting.
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