T test was applied for difference comparison among measurement data.
计量资料组间差异比较采用t检验。
Careful comparison of the two will show you the difference.
只要你仔细比较两者，就会发现其中的不同。
Careful comparison of them will show you the difference.
你好好比较一下，就可以发现他们的不同。
Comparison Compare the difference between the simple past tense and the present perfect tense.
现在完成时与一般过去时所表示的动作或状态都发生在过去，区别…
Comparison Compare the difference between the simple past tense and the present perfect tense.
现在完成时与一般过去时所表示的动作或状态都发生在过去，区别…
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