运用图像处理技术，对蔬菜嫁接机器人的砧木生长点识别系统，进行了砧木子叶方向定位的准确性的试验。
The precision of stock cotyledon direction orientating which the device of identifying stock growing point performs is tested by means of the technique of image processing.
实验目的：本文目的基于进行下颈椎椎弓根的相关经线及角度测量，定位更准确的椎弓根进钉点、置钉方向，为成功应用经颈椎椎弓根螺钉技术提供必要信息。
Objective: to go to more exact point and direction during the screw fixation make sure to insert screw successfully by measuring the dimension of the lower cervical spine pedicle.
可见，学科定位的参照点不同，研究的方向、目标和重点也不同。
We can see that with different reference points of subject orientation, we get different research directions, goals and emphases.
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