Terms containing four-element

Subject	English	Chinese
tech.	four element infrared objective	四组元红外物镜
space	four element of theatre missile defense	战区导弹防御四要素
chem.	four element theory	四元素学说
taekwondo.	four elements of taekwondo	跆拳道四要素
taekwondo.	four elements of taekwondo	对练、套路、自卫、击打测验跆拳道四要素
tech.	four-element	四透镜
gen.	four-element	四元素的
space	four-element antenna	四单元天线
tech.	four-element detector	四元件检测器
tech.	four-element grid	四元网络
chem.	four-element model	四要素模型黏弹性力学模型的一种
el.	four-element ring	四合环
tech.	four-element theory	四元素说