occur sporadically中文，occur sporadically的意思，occur sporadically翻译及用法

2026-03-21 23:07 浏览次数 19

occur sporadically

不时地发生

occur sporadically 例句

英汉例句

  • the mutations appear to occur sporadically and spontaneously.

    变异似是偶发和自发的。

  • paragangliomas of head and neck are rare tumors that occur sporadically with the prevalence of about1 in30,000 of head and neck tumors.

    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。

  • conclusions: review of the literature confirms that cranial nerve hemangioblastomas are very rare lesions that occur sporadically or in association with vhl disease.

    结论∶文献回顾证实脑神经成血管细胞瘤是极为罕见的病变，散发或与vhl病并发。

  • 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。

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