- 缺陷發(fā)生率，缺陷(的)頻度
- defect: vi. 叛變；逃走。 He defected to th ...
- frequency: n. 1.屢次，頻仍，頻繁。 2.(脈搏等的)次數(shù)，出現(xiàn) ...
- defect: n. 1.缺陷，缺點(diǎn)，弱點(diǎn)；短處。 2.不足，缺乏。 have some defect in eyesight 目力不佳。 have the defects of one's qualities 美中不足之處。 in defect of 若無…時；因無。 vi. 叛變；逃走。 He defected to the West. 他叛逃到西方。
- in defect of: 缺少; 若無...時
- no defect: 無缺陷的
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