Is there a significant difference between them?
它们之间是否具有显著性差异?。
If you compare the two exams, however, you'll find that there isn't a significant difference between them.
但是，如果您比较一下这两个考试，您将发现两者之间没有多大差别。
The mean arterial pressures of treatment group were lower than that of the control group, there was a significant difference between them(P0.05).
结果：两组患者治疗后平均动脉压比较，治疗组低于对照组，差异有统计学意义（P0.05）。
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