Initialism: fluorescence-activated cell sorting; a flow cytometry method separating cells by fluorescent markers.

缩写：荧光激活细胞分选；一种通过荧光标记分离细胞的流式细胞术方法。

Initialism: Facial Action Coding System; a framework to label facial muscle movements.

缩写：面部动作编码系统；用于系统标注面部肌肉运动的框架。

Initialism: family and consumer sciences; an academic field on home, nutrition, and family life.

缩写：家庭与消费者科学；研究家庭、营养与生活管理的学科。

Plural of FAC; more than one instance of the initialism FAC.

FAC 的复数；指多个 FAC 缩写实例。

Plural of fac; decorative initial letters once used to begin sections.

fac 的复数；用于章节开头的装饰性首字母。