Precession, basically is the change in the direction of earth's axis of rotation.
岁差，基本上是地球自转轴方向的改变。
The axis of a circle is its diameter.
圆的对称中心线就是直径。
The main axis of a compound leaf.
叶轴是复叶的主轴。
Each responsibility is an axis of change.
每个职责是轴向变化的；
I am crouched on the axis of the sun.
我弯腰迎着太阳的方向。
Tie the rope to the axis of the windlass.
你去把绞绳套在绞车的轴上。
Oh my God, the entire axis of boring is in there.
上帝啊，无聊中心在这儿！
Man is the center of everything, the axis of the world.
人是一切的中心，世界的轴。
Changing and swing of the axis of flow power is normality.
该河段水流的动力轴线的变化和摆动是常态。
In my view, the axis of a type design could affect reading.
我个人认为，字体所用的坐标轴会对阅读产生影响。
The axis of rotation and its support are part of the central pedestal.
旋转轴和它的支撑结构是中央操作台的一部分。
A new concept, design base axis of femur, is presented in this paper.
本文提出“股骨设计基轴线”的概念。
The main direction of the vessels was parallel with the long axis of the teeth.
其主要的血管走行方向为与牙齿长轴平行。
The dream of an international axis of business, once a reality, will be revised.
曾经变为现实的国际商业枢纽的梦想，需要重新考虑。
The sub-axis of development is Fenjiang Road and its southward extension section.
联系主轴线为季华路及其向西延伸段；
Application: Medium and large size electromotor, engine, principal axis of machine tool and so on.
应用领域：中大型电动机，发动机，车床主轴等。
AXIS PRO is an integrated software suite of analysis tools.
AXISPRO是一整套综合性的分析工具软件。
Negative values move the object in the direction of the negative axis.
负值则表示向负轴方向移动对象。
The Dojo Chart2D object usually consists of four parts: theme, plot, axis and series (data).
DojoChart2D对象通常包含4 个组成部分：主题、图、轴（axis）和系列（series）数据。
I assume the rest of the comments pertaining to the axis shift are correct.
我假设这些评论中涉及轴线转换的剩余部分是正确的。
At the end of first axis prompt, pick a point.
在第一条轴线的端点的提示下，挑选一个点。
To perform any of these changes you must have the source code to Apache Axis.
要执行任何这些改变，您必须要有ApacheAxis的源代码。
We have two of them on the z-axis like this.
他们俩的z轴都这样。
The separating method of the off axis mirror from the mother mirror is reported.
报告了离轴镜从母体镜上套挖的工艺方法。
As well, on the opposite side of the horizontal axis, place the date.
最好，在平行线的另一面注上日期。
This methods is useful for the quality control of the axis swing.
此方法对机组安装轴线摆度质量控制，提高摆度有较大意义。
This methods is useful for the quality control of the axis swing.
此方法对机组安装轴线摆度质量控制，提高摆度有较大意义。
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