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1·The test sensitivity is high, even regret coincidence epithelial thickening or trauma of erosion: false positive, false positive but the white boundary is not clear or not.

此试验敏理性较高，巧合匀悔上皮增厚或外伤糜烂处赤露假阳性，但假阳性变白其界限不清或不规矩。