这颗被命名为激光引导星的假星能够使天文学家们利用望远镜观测星空的时候，帮助他们克服大气扰动造成的模糊效应。
The so called Laser Guide Star helps astronomers correct for the atmosphere's blurring effect as the telescope images the sky.
所以理论上学习效应和规模效应不同，尽管实际操作中由于不确定性和模糊的因果关系可能很难区分它们。
Thus learning effects are theoretically distinct from scale effects, even if in practice they my be hard to differentiate due to e.g. uncertainty and causal ambiguity.
我们知道这些逆转产生的宏观经济效应是不利的，但影响的范围和确切类型仍模糊不清。
We know the macroeconomic effects of these reversals are not good, but the scope and exact types of influence remain murky.
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