Watch the second and third higher bottoms. When an option breaks a second higher bottom, consider the main trend has changed to the down side.
观察第二个和第三个更高的底部。当行情跌破第二个更高的底部时，可以判断主趋势已经向下边改变了。
As an engineering measure to reduce tensile stress of dam heel, the installation of man-made bottom joints in upstream bottoms of arch DAMS has already a history of 40 years.
作为减少坝踵部位拉应力的一个工程措施，在拱坝上游底部设置人工底缝已有40年的历史。
The result shows that the bottom of each potential well is not where the particle stays. The peak values of probability locate near the bottoms on side walls.
结果表明不对称势场中阱底并不是粒子基态稳定存在区域，最高概率密度分布位于平缓阱壁。
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