Light failure small (its brightness half-life) 2000 hours ageing test light failure is less than 2%.

光衰小(其亮度半衰期)2000个小时老化测试光衰小于2%。

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On two days study, west electricity 98 levels, but the academic record, not how the type, does the test light copy, generally speaking the years of schooling also are general.

上过两天学，西电98级，但学习成绩吧，不咋地，考试光抄尼，总体来社文化程度也走四罢咧。

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After all, it's hard to do a double-blind test when the subjects can see for themselves whether or not the light is on.

毕竟，要做双盲测试是很困难的，因为受试者自己可以看到灯是否亮着。

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And you're feeling like you're in a light mood. You've just passed a test.

但你觉得你想看点轻松的，因为你刚刚通过一门考试。

I feel like 课堂 - SpeakingMax英语口语达人

In their experiments, the researchers used a test chamber with three light sources that could be switched on randomly.

BBC: Lab rats 'acquire sixth sense'

Alastair Cook and Jonathan Trott both fell to the new ball and Andrew Strauss became Wayne Parnell's first Test victim before bad light halted play.

BBC: England on course for heavy defeat in Johannesburg Test

Interesting little appetizer but a little light to be a real test for an innovation IQ.

FORBES: Test Your Innovation IQ