fasciculi teresfuniculi terespencil of circles圆: round; circular; spherical束: bind; tie椭性圆束: elliptic pencil of circle; ellipticpencilofcircle中根带, 卵圆束: median root zone双曲性的圆束: hyperbolic pencil of circles; hyperbolicpencilofcircles下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:圆束，即可在微信中查询翻译
