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翻译一句话【汉译英】，谢谢。
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裂纹在扩展过程中，沿直线扩展速度较快，遇到转折处则速度减小，出现速度振荡现象，如图6中的峰和谷。当裂纹从转折恢复到直线扩展时，速度有一个突变加速的过程，随后恢复到近似匀速运动。 【翻译】 During crack propagation, the crack along the linear propagation is faster than that along the turning point, The speed-time curve appears oscillation phenomena (The crests and troughs in Fig.6). When the crack from turning back to linear propagation, the speed has a sudden acceleration process, and then it returns to an approximate uniform motion. |
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As shown in Fig. 6 (the crests and troughs), the speed-time curve shows a oscillation phenomenon, which is because that the crack propagates faster along a straight line than along a turning point during crack propagation. When the crack propagates from a turning point back to a straight line, the speed has a sudden acceleration process and then restores to an approximate uniform motion. |
2楼2014-10-06 04:55:25
mac194
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八角寨: 金币+4, ★★★很有帮助, 非常感谢你的帮忙和耐心讲解。 2014-10-06 11:51:12
八角寨: 金币+4, ★★★很有帮助, 非常感谢你的帮忙和耐心讲解。 2014-10-06 11:51:12
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Waviness in the propagation speed-vs-time curve is evidence that cracking along cleavages is periodically impeded by changes in the long-range order of the material's microstruture waviness = peaks and valleys 或 crests and troughs 日常英语随便, periodically 不一定就周期性, 但句子以 waviness 开头,明显考虑到一语双关的可能 impede 比 slow down 更达意 cleavage = 缝,算是一种 long-range order |
3楼2014-10-06 11:07:57
