Condusion: The current method of Rank sun test for comparing different phases in cross-over trial should be improved.

结论：现行的交叉试验的秩和检验无法比较阶段间的差别，应予以改进。

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Objective: Explore the rationality of the data from cross, over trial in current document tested with Rank sun test for comparing different phases.

探讨现行文献中关于交叉试验资料比较阶段差别间的秩和检验方法的合理性。

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To test this idea, he blocked their view of the Sun and used mirrors to change its apparent position.

为了验证这个想法，他挡住了它们看太阳的视线，并用镜子改变了太阳显现出来的方位。

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In a test case last June, Sun reduced the energy used by one its data centers by 93% by switching out older models for its new Niagara servers.

FORBES: Magazine Article

Speaking of sun-powered planes, the Solar Impulse just made its final test flight around the San Francisco Bay Area before embarking on a cross-country voyage next week.

ENGADGET: Inhabitat's Week in Green: flying electric car, 3D-printed livers and a two-story-tall bike

The reason astronomers want to observe reflected sunlight during the transit of Venus is to test whether they can detect the faint imprint of passage of the sun's light through the atmosphere of Venus.

CNN: A transit of Venus, an age of wondrous science