sporadic dumping 偶发性倾销...sporadic disease 散发病...sporadic dysentery 散发性痢疾...sporadic mutation 自然突变...sporadic bovine encephalomyelitis virus 散发性牛脑脊髓炎病毒...sporadic a.偶尔发生的,零星发生的,分...sporadic lemophilia 单发血友病,散发性血友病...sporadic e layer 变E层...sporadic fault 间发故障,零星故障...sporadic goiter 散发性甲状腺肿...sporadic parasite 偶然寄生物...
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