弦切角

xián qiē jiǎo

Định nghĩa

1. chord angle (i.e. angle a chord of a curve makes to the tangent)

Từ cấu thành 弦切角

• 切 qiē: to cut
• 切 qiè: definitely
• 弦 xián: bow string
• 角 jiǎo: angle
• 角 jué: role (theater)