从太空直接截获太阳光而不任由它们穿过大气层的优点是大部分光能量不会被大气吸收。
The advantage of intercepting sunlight in space, instead of letting it find its own way through the atmosphere, is that so much gets absorbed by the air.
斯温说，在太阳系以外，只有四个行星的大气层被光谱分光镜技术(一个化学分析技术)仔细观察和研究，还有32个曾被观察到。
Swain says just four extrasolar planets' atmospheres have been studied in detail with spectroscopy, a chemical analysis technique. Another 32 or so have been observed.
选用变色酸分光光度法测定大气中甲醇，显色温度与显色时间有着一定的线性关系。
We determine carbinol in air with Chromotropic acid spectrophotometry, and found developing temperature and developing time exist certain linear relation.
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