Our eyes are conditioned to move from left to right. (There's a larger science here, called z-tracking, that goes beyond the scope of this article.)

我们的眼睛已经习惯于从左向右移动（这里有一个较大的理论，称为 z 字型跟踪，而这超出了本文的讨论范围）。

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Before you customize your project tracking objects and processes, you should assess the scope of your requirements.

在自定义项目跟踪对象和过程之前，应评估要求的范围。

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Simulation results indicate that DD1, DD2 filters have stronger tracking performance and larger application scope, and achieve higher numerical stability and accuracy than EKF.

仿真结果表明，DD1和DD 2滤波具有较强的跟踪性和较宽的应用范围，数值稳健性和精度优于EKF算法。

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