sporadicadj.不定时发生的;零星的
sporadic E propagation分散E层传播
sporadic rectal cancer散发性直肠癌
sporadic X-ray source暂现X射线源
sporadic endemic goiter散发性地方性甲状腺肿
Sporadic blood pressure偶测血压
sporadic bovine leukosis牛散发性造白细胞组织增生
sporadic spinning defect分散纱疵
sporadic task scheduling零星事件调度
sporadic parthenogenesis偶发性孤雌生殖
Sporadic colorectal cancer散发性大肠癌