1·The main axis of the planet's orbital ellipse shifts each time when it goes around the sun.
当行星绕太阳运行时，其轨道椭圆的主轴每次都会改变。
2·The main axis of a compound leaf.
叶轴是复叶的主轴。
3·The axis perpendicular to the main axis is called the cross axis. It extends in the cross dimension.
和主轴垂直的轴叫做交叉轴，它在交叉轴方向上延伸。
4·The axis perpendicular to the main axis is called the cross axis. It extends in the cross dimension.
和主轴垂直的轴叫做侧轴，它在侧轴方向上延伸。
5·Main advantages of this structure: the main axis of the processing and assembly of simple, low cost.
这种主轴结构的优点：主轴的加工和装配简单，造价较低。
6·A handheld pointer device provides radiation with a directional characteristic relative to its main axis.
一种手持式指向设备，提供相对于其主轴具有方向特征的辐射。
7·Applicable for heavy loading, main axis of CNC tooling machine, orientation and speed testing of servo motor.
适用于重负载，数控机床主轴，伺服电机定位和测速。
8·The internal spaces are divided along the main axis, with the living areas on one side and bedrooms on the other.
室内空间被主轴线划分开来，起居空间位于轴线一侧，卧室则位于另一侧。
9·As main axis, there is a main veining where the most important public functions are set up and extend to the surrounding.
叶脉中心的轴线为主要脉络，沿此设置重要公共功能分区，并向四周扩展。
10·As a result, this pedestrian street becomes the main axis of the buildings composition, which consists of three main parts.
因此，这个步行街变味了该银行大厦的主轴线，大厦主要包括三个部分。