通过对现有的卫星移动通信系统星间链路的分析发现，不但卫星移动通信系统星间链路的指向具有周期性变化的特性，而且星间链路的相对距离也在周期性变化。
Through the analysis of today's mobile satellite communication systems, it is found that not only the direction, but also the relative distance of the ISL are periodical.
科研人员在《自然-气候变化》月刊上称，这种情况可能会在数年发生一次，而且在本世纪仍会周期性发生，尽管全球气候变暖的趋势仍在继续。
This could happen for years at a time, and it could happen periodically this century, even as the overall warming trend continues, the researchers reported in the journal Nature Climate Change.
这种变化发生表明在我们的视线方向，行星周期性的从恒星前面穿过而遮挡了部分星光。
Such dips occur when planets cross in front of their stars from our point of view in the galaxy, partially blocking the starlight.
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