试验表明，利用本测量仪测量相位差与设定标准值相比差值在2%以内。
The experiment result is indicated that the difference between test phase difference by using this instrument and setting standard value is lower 2%.
试验表明，利用本测量仪测量相位差与设定标准值相比差值在2%以内。
The experiment result is indicated that the difference between test phase difference by using this instrument and setting standard value is lower 2%.
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