facultative

英[\'fækəltətɪv]

美[\'fækəlˌteɪtɪv]

基本释义

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.

辞典例句

Nitrate can be used by facultative organisms living under intermediate conditions referred to as anoxic.

硝酸盐能够被生活在中等缺氧条件下称为兼性生物体所利用.

辞典例句

A facultative anaerobic bacillus strain Xg 01 is isolated from the dirt.

从污物中分离出一株兼性厌氧芽孢杆菌,它可产生大量的果胶酶.

互联网

A facultative pathogen of some insect species commonly used as a biopesticide.

一些昆虫的兼性病原物,常用作生物杀虫剂.

互联网

It's a facultative enactment.

这是授权的法令.

互联网

What is a facultative parasite?

兼性寄生物是甚麽?

互联网

The last questions in the examination were facultative.

最后的那些考题答兴不答可听自便.

互联网

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.

互联网

Adjective

1. of or relating to the mental faculties
2. able to exist under more than one set of conditions;
"a facultative parasite can exist as a parasite or a saprophyte"
3. granting a privilege or permission or power to do or not do something;
"a facultative enactment"
4. not compulsory;
"facultative courses in the sciences"