轨线

butane cracking

丁烷裂解

canonical path 正则轨线 | butane cracking 丁烷裂解 | speed limitation board 限速牌[板]

isogonal transformation

保角映射

isogonal trajectory 等角轨线 | isogonal transformation 保角映射 | isogonality 等角变换

equidistant, isometry

等距

等角轨线族|family of isogonal trajectories | 等距|equidistant, isometry | 等距曲线|equidistant curve

polar oblateness

极向扁率

polar night 极夜 | polar oblateness 极向扁率 | polar path [地]极轨线

orthogonal tests

独立检验

orthogonal system 正交系 | orthogonal tests 独立检验 | orthogonal trajectory 正交轨线

pascal triangle

杨辉三角形,帕斯卡三角形

Pascal geometry 帕斯卡几何(学) | Pascal triangle 杨辉三角形,帕斯卡三角形 | path curve 轨线

patera

插座

patentsheave 轴承滑轮 | patera 插座 | path line 轨线

orthogonal system of functions

函数的正交系

正交的曲线系 orthogonal system of curves | 函数的正交系 orthogonal system of functions | 正交轨线 orthogonal trajectory

trample on

践踏; 蹂躏

trajectory 轨道, 轨线, 弹道 (名) | trample on 践踏; 蹂躏 | trampoline 蹦床, 弹簧垫 (名)

sidings

站线

窄轨距铁路 narrow gauge railway | 站线 sidings | 折板结构 folded plate structure

colonial rule：殖民统治

colonial protectorate;殖民保护地;殖民被保护国;; | colonial rule;殖民统治;; | Colonial Secretary;辅政司;;

matrimonial agency：婚姻介绍所

21 deep love 深沉的爱情 | 22 matrimonial agency 婚姻介绍所 | 23 lover,sweetheart 情人