During the eclipse, the best viewing in North America found the coppery lunar disc high in a cold winter sky, the Moon reddened by light filtering into the Earth's dark central shadow or umbra.
在这次月食中，在北美洲最佳观测点可以看到在寒冬的天空中出现一轮铜黄色的月盘，这是因为月亮由于地球黯淡阴影的中心滤过的光芒而变红了。
A study of urban pigeons in central Paris has shown that birds with higher levels of the dark pigment melanin have stronger immune systems.
一个对巴黎市中心的城市鸽子的研究显示，黑色素水平较高的鸽子有更强的免疫系统。
Early in the development of Dark Forces, the game designers considered having Luke Skywalker be the central character, and follow the events of the original Star Wars.
在《黑暗原力》开发的早期，游戏设计者考虑让卢克·天行者作主角，继续《星球大战》正传之后的剧情。
When light stimulus was weaker and concentrated on central vision, there was no significant difference between a red light and a green light in the aspect of dark adaptation.
光刺激作用主要集中在视网膜中央窝的条件下，等亮度较弱的红光与绿光之间暗适应时间无显著差异。
That is to say, it hasn't reached the conceptual desperation which the "dark" is used to be a symbol in Winter Fly playing a central role in the second phrase of his works.
即它未完全达到以《冬蝇》为中心的第二期作品中以“暗”为象征的观念上的绝望。
Possible signs of AMD include a loss of central vision, seeing a dark spot in the center of the field of vision, distorted or blurred vision, and wavy vertical lines.
年龄相关的黄斑退行性改变可能存在的体征包括：中心视觉丧失（在视野中央看到一个黑斑）、视物变形或视力模糊以及看到波浪状的垂直线。
The effect of the size of the central dark spot in Newtons ring pattern on measuring results has been analyzed, and a solution is given.
本文分析了牛顿环中心暗斑大小对测量结果的影响，并给出了解决方法。
But in order to preserve the original facade, which had tiny Windows that made central parts of the building completely dark, a second skin was created in glass.
建筑原的窗户狭小，让建筑中间部分完全黑暗，但是为了保留原来的外观，设计师用玻璃做了第二层表面。
As thousands of people along the central-Florida Atlantic Ocean coastline huddled in the pre-dawn darkness to watch, Atlantis came in from the southwest, a small spark of light in the dark sky.
数千名群众黎明前就聚集在佛罗里达州中部的大西洋岸边，注视从西南方向飞来的亚特兰蒂斯号。这架航天飞机刚出现时，只是天空中的一颗亮点。
As thousands of people along the central-Florida Atlantic Ocean coastline huddled in the pre-dawn darkness to watch, Atlantis came in from the southwest, a small spark of light in the dark sky.
数千名群众黎明前就聚集在佛罗里达州中部的大西洋岸边，注视从西南方向飞来的亚特兰蒂斯号。这架航天飞机刚出现时，只是天空中的一颗亮点。
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