Measuring how calm the Twitterverse is on a given day can foretell the direction of changes to the Dow Jones Industrial Average three days later with an accuracy of 86.7 percent.

通过衡量“冷静”程度，“微博客宇宙”可以根据某天的冷静值预测三天后的道琼斯工业平均指数的变化方向，其准确率达到了86.7%。

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Furthermore, a high degree of measuring accuracy is ensured.

此外，有高度的测量精度得到保证。

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The deuterium lamp is often used as ultraviolet ray lamp in UV measuring instrument, the measuring accuracy of the instrument has close correlation with the stability of radiation energy.

织物紫外线透过率测试仪是衡量织物抗紫外线能力的仪器，氘灯作为优选的紫外光源，其辐射强度的稳定密切关系到测量的精度和一致性。

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When it's bolted onto the Blanco Telescope at the Cerro Tolodo Observatory in Chile next month the 570-megapixel Dark Energy Camera will survey some 300 million galaxies in the southern sky, measuring the speed at which they are moving apart with phenomenal accuracy, and giving the best description yet of the accelerating expansion of the Universe.

BBC: Getting the measure of dark energy