orientation difference差: send on an errand; dispatch取向: approach; direction of orientation; orichalc; task-oriented航向差: heading crossing angle横向差: transverse discrepancy偏向差: cross error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:取向差，即可在微信中查询翻译
