facultative
兼性
常用释义
英音[ ˈfækəltətɪv ]
美音[ ˈfækəlˌteɪtɪv ]
基本释义
- adj. 偶发的；授权的；（生物）兼性的
例句
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1·The coliform group referred to the aerobic or facultative anaerobic gram-negative budless bacillus.大肠菌群是指需氧和兼性厌氧的革兰氏阴性无芽孢杆菌。
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2·Facultative heterochromatin is the heterochromatin that may become transcriptionally active in specific cell development fates.兼性异染色质是在特定细胞发育命运中可能具有转录活性的异染色质。
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3·Facultative apospory in tetraploid paspalum distichum l.四倍体双穗雀稗兼性无孢子生殖的研究。
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4·Facultative coverage is more suitable, as it is able to evaluate each risk on its own merits.临分再保险更适用于电网风险，因为它可以根据实际情况对每个风险进行逐一评估。
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5·This method is effective to the facultative anaerobic bacteria or aerobic bacteria with hydrogenase .这种方法对于用氢化酶的兼性厌氧细菌或需氧细菌是有效的。
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6·The strains could produce acid by using monosaccharide especially glucose. The former was facultative anaerobic.该菌株可以利用单糖尤其是葡萄糖产酸，并可利用果糖产酸，兼性厌氧。
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7·All the photosynthetic bacteria possess the capability in addition to various facultative aerobes and obligate anaerobes.所有光合细菌加上各种兼性的好氧生物和绝对的厌氧生物具有这种能力。
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8·There are two modes in the preceding process, which are facultative biochemical mode and biologic enhanced flocculation mode.前处理单元在两个模式，即兼性生化模式与生物强化絮凝模式之间转换。
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9·The method is phase shifting with any four steps in a facultative interval, and in combination with grouping disposal the parameter is got.这种方法采用步距任意的四步步进移相，并结合分组处理方式来求得所求参数。
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10·For example, a facultative anaerobe is an organism that can grow under anaerobic conditions but is also able to survive in aerobic conditions.例如，兼性厌氧微生物就是既可以生长在厌氧条件下也可以在有氧条件下存活。
同义词
adj.
授权的，特许的