For the most common international standard light box.
为国际上最通用之标准光源箱。
Typical absolute standards include two types: absolute standard detector and absolute standard light source.
常用的绝对标准有两类：绝对标准探测器和绝对标准光源。
Typical absolute standards include two types: absolute standard detector and absolute standard light source.
常用的绝对标准有两类：绝对标准探测器和绝对标准光源。
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