低剂量引起者称为低带耐受 (low zone tolerance),仅 使T细胞致耐受,高剂量引 起者称高带耐受(high zone tolerance),能使T、B细胞
双语例句
1
Therefore, the invention can realize the automatic grouping sieving for the steel ball within the tolerancezone range, and has the advantages of high detecting and sieving efficiency.