我们手头的其中一台XJ-A130， 开箱时最大流明输出1228流明，但使用过130小时之后其最大流明输出降为949流明，降幅达23%。
On one of our XJ-A130s, the max lumen output was 1228 when it was new. After 130 hours of use its maximum brightness dropped to 949 lumens, which is a 23% reduction.
数学家们试图用计算机模拟人脑的工作方式，但他们发现，即使用最新的电子设备，也得造出一台重达1,000公斤的计算机。
Mathematicians who have tried to use computers to copy the way the brain works found that even using the latest electronic equipment they would have to build a computer which weighed over 1,000 kilos.
上海中心气象台的业务使用表明，总体估计的准确率达70 %左右。
The operational application in Shanghai Meteorological Center shows that its average estimate accuracy reaches about 70%.
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