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- About 50% of the cases are associated with tuberous sclerosis.The rest occur sporadically. 50%25的病人同时伴发结节性硬化症,另外的为散发性。
- Desmoid tumors are rare, locally aggressive but nonmetastasizing fibrous masses that occur sporadically. 摘要腹壁上的硬纤维瘤在临床及病理上属于罕见的软组织瘤,属于典型的低恶性度肿瘤。
- Paragangliomas of head and neck are rare tumors that occur sporadically with the prevalence of about1 in30,000 of head and neck tumors. 摘要头颈部副神经节瘤是一罕见偶发的疾病,盛行率约占所有头颈部肿瘤的三万分之一。
- Outbreaks can occur sporadically in any part of the world where water supply, sanitation, food safety, and hygiene are inadequate. 暴发可在全世界供水、卫生设施、食品安全和卫生习惯不适当的任何地区散在发生。
- New outbreaks can occur sporadically in any part of the world where water supplies, sanitation, food safety, and hygiene are inadequate. 新的暴发可在世界上水供应、卫生设施、食品安全以及卫生不充分的任何地区散在发生。
- Specimens occur sporadically throughout the range of the species in which the rudimentary second floret at the end of the rachilla extension is better developed. 在整个分布区的本种期间不时发生标本发生在哪个这不发育秒小花在扩展好发育的那些小穗轴结束时。
- This is a widely distributed, but rather rare little grass, occurring sporadically in scattered localities. 这一广泛分布,但是稀有小草的相当,发生不时发生在星散的地区内。
- On an herbarium sheet at BM, G. T. Sampson commented that this species occurs sporadically and postulated that it was introduced as a seed contaminant of rice. 在一标本馆床单在BM上,G.;T
- Food shortage often occur in times of war. 战争期间常发生粮食短缺现象。
- One who believes the millennium will occur. 千禧年信奉者相信千禧年会复活的人
- Didn't it occur to you that he was lying? 你当时没想到他在撒谎吗?
- References to pain occur throughout the poem. 诗中字里行间流露出痛苦之情。
- Hydrophobia will occur and get head even it the coldest weather. 狂犬病即使在最冷的天气里也会发生并加剧。
- It is unthinkable that we shall allow a nuclear holocaust to occur. 我们若竟让核武器大屠杀的惨剧发生,简直是匪夷所思。
- Did it ever occur to you to be betrayed by your best friend? 你可曾想到被你最好的朋友出卖?
- Heavy rains occur during a summer monsoon. 暴雨出现在一个夏季季风期
- Liable to occur but not with certainty; possible. 可能的可能但又有不确定性的; 可能的
- Resonance would occur again, but not so strong as before. 共振会再次发生,但不如先前那么强。
- There are some trees sporadically around his house. 他房子周围零星地有点树木。
- The pathological condition in which such painful masses occur. 痔疾这些令人疼痛的病块出现的病理状态