The wear volume loss of positive brush is more than that of negative brush.

复合材料的电磨损体积与电刷的极性有关，正刷的磨损体积大于负刷的磨损体积；

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The wear loss of the positive brush was larger than that of the negative brush due to the material transfer.

同时，由于材料转移等现象的存在，使得正刷的磨损量大于负刷。

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The positive rate of malignant cells in ascitic fluid specimen was 96.4% after biopsy together with brush cytology.

腹膜活检和腹膜刷检同时进行后腹水脱落细胞学检查肿瘤细胞的阳性率增加至96.4%。

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