Aim at current existent problems and defects in visual approach slope indicator, a new Precision approach Path instruction method has studied.

针对现有目视进近下滑坡度指示系统存在的问题和缺陷，研究了一种新型精密进近航道指示方法。

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At the same time, one of the most important sub-components of the leading economic indicator series is the slope of the yield curve which, by itself, is a very good indicator.

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