两个服务中心
Two service centers
以上为机器翻译结果，长、整句建议使用 人工翻译 。
{2}设计该项考试的美国教育考试服务中心已经将这一修改计划延迟了达一年之久，修改计划包括将考试时间从两个半小时延长至四个小时。
The Educational Testing Service, which designs the exam, had already delayed planned revisions by a year, including lengthening the exam from two-and-a-half to four hours.
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