facultative怎么读，facultative什么意思，facultative短语和例句

1.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。

2.Anaerobic facultative can remove more than 80% of TNT and RDX in the wastage. Aquatic organism (water hyacinth) can degradate TNT and RDX in some extent.

其中厌氧兼氧能去除废水中80％以上的TNT和RDX，水生生物（水葫芦）对TNT及RDX也有一定的降解效果。

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。

4.On the basis of operation and research results, this paper provides a few methods and parameters for reference of similar facultative pond design.

在运行和研究结果基础上，本文提出了几种方法和参数，作为有关兼性塘设计使用。

5.A small facultative contact stabilization and soil infiltration system was employed for energy efficient and cost effective treatment of mixed wastewater from a rural community in Zhejiang.

采用兼氧接触氧化与土地渗滤联合处理工艺对农村混合污水进行了试验。

6.The Sterilization effect of micro electrolysis process on anaerobic or facultative aerobe microbes in industrial circulating water system was studied under different conditions.

研究了微电解方法对工业循环水中厌氧或兼性厌氧细菌的杀灭作用，结果显示，杀菌率的大小与施加的电流密度和处理时间成正比。

7.The communication suppressing zone is introduced to evaluate the jamming capability of the UAV and a new method is proposed to calculate it while the flight attitude is facultative.

以干扰有效压制区作为无人机通信干扰能力的评估指标，提出了一种计算无人机处于任意姿态时的地面干扰有效压制区的方法。

8.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。