The first method is based on shift change frequency.
一种是基于移动变化率的变化检测方法。
参考来源 - 顾及投影差的遥感影像变化检测·2,447,543篇论文数据，部分数据来源于NoteExpress
当沿着这个移动，w的变化率如何？
当市场参与者提到收益率曲线的升或者降，或者曲线的长端或者短端有所移动的时候，主要指的是各个基准(benchmarks)的收益率在变化。
When market participants mention that the yield curve has moved up or down, or the long end or short end of the curved has moved, it simply points to the changes in yield of the various benchmarks.
当一个放射性物质在血流中移动时在它的路径附近引起剂量率的瞬间变化。
A radioactive particle moving in a blood stream causes transient changes of dose rate near its path.
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