黑暗中总有一丝光明
Every cloud has a silver lining
一线一景
one station-scape on one line
one metro line one view
绒线丝光轧别丁绒
wool worsted sheen gabardine
X射线荧光光光谱
X-ray fluorescence spectrometry
非常光线光谱
extraordinary ray spectrum
射线线光谱
characteristic spectrum x
x ray line spectrum x
祖弟卡光线光度计
gegenschein-zodiacal light photometer
五点一线战略
5 dots and 1 line strategy