And the way it will work is that you have to choose an orientation of a surface, which just means choosing one of the two possible unit normal vectors.
具体方法是，先给曲面定向，也就是选择两个单位法向量中的一个。
In the constructor (see Listing 5), initialize the parent class using the $orientation (page orientation), $unit (measurement unit), and $format (page size) that were passed in.
在构造函数（请参考 清单5）中，使用传入的 $orientation（页面方向）、$unit（计量单位）和 $format（页面大小）初始化父类。
Perhaps you have a software factory with a strong component orientation, or perhaps you have vertically stratified silos of development serving business unit segments.
也许您拥有带有强组件倾向的软件工厂，或者也许您对服务于业务单元部门的开发竖井垂直地分层。
The orientation of disturbance factor vector is the same as that of vector of material unit stress.
扰动因子向量的方向与材料单元体应力主方向相同。
Grain orientation within the intertidal beach unit is characteristically more-or-less normal to the coastline.
在潮间海滩单位内，颗粒排列方向的特点是大体上垂直于海岸线。
The rebuild new project of unit 600 is raised with the correct orientation for the unit machining products.
提出了600机组改造新方案，对该机组加工产品作了正确定位。
To take text as translation unit and to establish the teacher-student interaction model in class is a relatively reasonable orientation in translation teaching for the English majors.
以篇章为翻译单位、以师生互动为主要课堂模式，是对英语专业本科生翻译教学的相对合理的定位。
When receive the GO command, the robot will move 1 unit towards its orientation, unless there is a nonempty cell in front of it.
当收到GO命令，机器人将走向它的方向1个单位，除非有在它前面空细胞。
He is the orientation of the distribution of candidates, is scheduled to return to the only graduate of the unit.
他是定向分配的考生，毕业只能回到预定的单位。
When the judging unit (122) judges that the driver is not looking aside, a judging unit (124) judges whether or not the driver is looking aside based on the sight line orientation of the driver.
判定单元（124）在由判定单元（122）判定为驾驶员未斜视的情况下，根据驾驶员的视线的方向判定驾驶员是否正在斜视。
Step-motor and photoelectric switch orientation, high precision packer, length adjustable, without stopping the unit.
步进电机配合光电开关定位，长度调整方便不用停机，高制袋精度。
Tests was carried out on cookies both in single and package unit to measure its velocity change and acceleration in different orientation in different damage rate based on damage boundary theory.
以苏打饼干单片和单包为研究对象，应用破损边界理论，设计相关实验，测试饼干在不同破损率条件下各个方位的速度变化及加速度，构造出饼干的破损边界曲线。
CCD as receiver is used to analyze spectrum and measure color. Orientation of optic spectrum line is affected on silt of monochromaticity and size of CCD photosensitive unit.
CCD作为光谱分析和测色仪器的光谱接收器件，光谱谱线定位受单色仪狭缝和CCD光敏元尺寸影响。
CCD as receiver is used to analyze spectrum and measure color. Orientation of optic spectrum line is affected on silt of monochromaticity and size of CCD photosensitive unit.
CCD作为光谱分析和测色仪器的光谱接收器件，光谱谱线定位受单色仪狭缝和CCD光敏元尺寸影响。
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