equilateral hyperbola等: class; grade; rank轴: axle; shaft直角: right angle双曲线: hyperbola; hyperbolic curve直角双曲线: rectangular hyperbola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:等轴直角双曲线,即可在微信中查询翻译