arc measurement弧度: radian circular measure; rad ...测量: survey; measure斜弧度测量: oblique arc measurement子午圈弧度测量: arc measurement along meridian弧度测定: circular measurement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:弧度测量，即可在微信中查询翻译
