ordinary axis of symmetry：普通對稱軸

普通對稱面 ordinary plane of symmetry | 普通對稱軸 ordinary axis of symmetry | 普通光滑燧石 ordinary smooth chert

ordinary bud grafting：普通芽接

ordinary breakage 通常破損 | ordinary bud grafting 普通芽接 | ordinary budget 普通預(yù)算

ordinary chattering：正常反跳

ordinary charge 普通費用 | ordinary chattering 正常反跳 | ordinary check 普通支票

ordinary difference differential equation：常差分微分方程

ordinary carbon steel 普通碳鋼 | ordinary difference differential equation 常差分微分方程 | ordinary difference equation 常差分方程

ordinary difference equation：常差分方程

ordinary difference differential equation 常差分微分方程 | ordinary difference equation 常差分方程 | ordinary differential equation 常微分方程

ordinary differential operator：常微分算子

ordinary differential equation 常微分方程 | ordinary differential operator 常微分算子 | ordinary dirichlet series 狄利克雷級數(shù)

ordinary differential operator：常微分作用素

ordinary differential equation 常微分方程 | ordinary differential operator 常微分作用素 | ordinary drawing rights 普通提款權(quán),一般提款權(quán)

ordinary dirichlet series：狄利克雷級數(shù)

ordinary differential operator 常微分算子 | ordinary dirichlet series 狄利克雷級數(shù) | ordinary integral element 尋常積分元素

ordinary fruit bowl：普通果碗

ordinary flower vase 普通花瓶 | ordinary fruit bowl 普通果碗 | ordinary fruit tray 普通果盤

ordinary goods train：普通貨物列車

6449 ordinary goods 普通貨物[非快運] | 6450 ordinary goods train 普通貨物列車 | 6451 ordinary passenger train 普通旅客列車