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- The axis of a circle is its diameter. 圆的轴线是其直径。
- the axis of a planet 一个行星的轴
- Tie the rope to the axis of the windlass. 你去把绞绳套在绞车的轴上。
- A plane section of a surface of revolution containing the axis of revolution. 切平面通过旋转轴回转面的部分平面
- The outermost solid layer of a planet or moon. 外壳行星或月亮最外面的固态层
- The mirror of an astronomical telescope forms at its focal point an image of a star on the axis of the mirror. 天文望远镜把在镜轴上的星体成象在焦点上。
- The side of a planet facing the sun. 白昼侧面对太阳的行星的一侧
- The main axis of a compound leaf. 复叶的主轴。
- The outermost region of a planet's atmosphere. 外大气圈行星大气层的最外部
- A superposition cut is used to describe a cross section of a part by revolving it around an axis of revolution and placing it on the views on the axis. 在不影响图形清晰的条件下，断面也可按投影关系画在视图内，画在视图内的断面图称为重合断面图（简称重合断面）。
- A similar great circle drawn on the surface of a celestial body at right angles to the axis of rotation. 天球赤道在天体表面与自转轴成直角的大圆
- The part of the axis of a plant embryo or seedling plant that is below the cotyledons. （下）胚轴低于胚轴的一个植物胚胎或根的轴的一部分。
- The motion of the axis of a spinning body, such as the wobble of a spinning top, when there is an external force acting on the axis. 进动当受到外力作用时旋转体轴的运动，如旋转陀螺般的摇摆
- Because the core current is somewhat symmetrical around the axis of rotation, the associated magnetic field is similar to that of a bar magnet. 因为地核流在旋转轴周围存在着一些对称，所以相关的磁场与棒磁铁的磁场相似。
- Full employment is the axis of their campaign. 充分就业是他们竞选活动的核心。
- Because the core current is somewhat symmetrical around the axis of rotation,the associated magnetic field is similar to that of a bar magnet. 因为地核流在旋转轴周围存在着一些对称，所以相关的磁场与棒磁铁的磁场相似。
- The motion of the axis of a spinning body,such as the wobble of a spinning top,when there is an external force acting on the axis. 进动当受到外力作用时旋转体轴的运动，如旋转陀螺般的摇摆。
- Of or relating to the side or surface facing or nearest to the axis of an organ,such as the upper surface of a leaf; ventral. 近轴的器官边缘的，表面的或最近茎轴的，与器官的边缘，表面或最近茎轴有关的，如叶子的上表面的，叶子的下表面。
- Of or relating to the side or surface facing or nearest to the axis of an organ, such as the upper surface of a leaf;ventral. 近轴的器官边缘的，表面的或最近茎轴的；与器官的边缘，表面或最近茎轴有关的，如叶子的上表面的；叶子的下表面
- Lateral movement: A term used to describe a direction of movement which is parallel to the axis of a cylinder, drum or roller. 横向移动:描述圆筒、鼓或辘的移位情况，移位方向是与它的轴线平行。参阅圆周向移动。
