NOTE: the size of the document being used for testing did not generate significant differences in average response times, but we did see greater variance in results.
注意：用于测试的文档的大小不会对平均响应时间产生很大的影响，但得出的结果有很大差别。
After the initial round of testing, two-thirds of the volunteers had gastric bypass surgery to reduce the size of the stomach and lost an average of about 3st 8lbs.
在经过第一轮的测试之后，有三分之二的受测人员进行了胃绕道手术，以减小腹部、减轻体重。
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