单词	need for exhibition
释义	need for exhibition 表现需求
随便看	direction control circuit direction control damper direction controller direction controlling direction control switch direction control system direction control systemguidance system direction control valve direction converter direction convex function direction-correlating direction correlation direction cosine direction cosine algorithm direction cosine matrix direction-cosine matrix direction cosine plane direction cosines direction course direction cross positioning Direction decision Direction departure direction-dependent function direction derivative Direction des Archives de France