Over these distances, the distortions of space are approximately a billionth the size of an atom-sufficient to cause noticeable differences in the phase of the combining light beams.
在这么长的距离之下,即使只有十亿分之一个原子大小的空间扭曲,也足以使光束在合并时出现相位差。
As land mingles with sea over these vast distances, it embraces at least three distinct ecosystems.
在这么长的距离内,海陆交融,至少形成三个独特的生态系统。
Migratory birds can carry these viruses, in their low pathogenic form, over long distances, but do not usually develop signs of illness and only rarely die of the disease.
候鸟可以低致病性方式远距离携带这些病毒,但通常不显示疾病体征并且很少死于该病。
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