类似的研究测试了学生是通过阅读纯文本，还是通过在阅读纯文本的同时观看图片能更好地学习基本的物理和化学概念，结果发现每个人都在观看图片的情况下做得更好。
Similar studies tested whether students learned basic physics and chemistry concepts better by reading plain text or viewing pictures too and everyone do better with the help of pictures.
性能测试工具允许您体验不同的系统配置，比如 RAID 阵列条带深度和硬盘文件格式，以便了解哪些结果能实现更好的性能。
Performance testing tools let you experiment with different system configurations, such as RAID array stripe size and hard disk file format, to see which combinations result in better performance.
您可以计算测试和测试组件下的系统部分的覆盖范围，以对测试结果有更好的控制。
You can compute coverage for parts of the system under test and test components to provide better control of the test results.
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