图21显示了成都和重庆的云量下降到50%和60%之间——这个云遮比将几乎保持这个常数状态，直到食径穿过中国境内余下的部分。
Figure 21 shows a decline in cloudiness to between 50% and 60% at Chengdu and chongqing-a value that remains more or less constant across the rest of the eclipse path through China.
由STM图象中我们能清晰地观察到螺旋结构的螺距与螺径。
From the STMimages, we could see clearly the helix pitch and helix diameter of helix structure.
结果将该方法应用于对径受压的圆盘和梯形坝体的光弹图处理，得到了较精确的结果。
Results Accurate results have been obtained when the approach is applied to the disk with radial force and the trapezia dam.
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