参比方法测值(RM)CEMS 法测值A B样品数t值A-B3.71 3.5n t f(0.95)0.213.71 3.46 2.5710.313.86 3.40.463.75 3.30.453.52 3.40.123.62 3.60.02参比方法测值(RM)CEMS 法测值A B样品数t值A-B18531853n t f(0.95)0191819189 2.306019742093-119 23752548-173 ********-153 ********-159 ********-184 ********-217 23572545-188
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