There probably is a risk to having too much vitamin D in the system.
可能会发生系统里存在过多维生素d的风险。
The coordinate system, for 2-d graphics, is shown in Figure 2.
2 - D图形的坐标系如图2所示。
A light-pen single camera 3-D coordinate vision measurement system is proposed in this paper.
提出了一种光笔式单摄像机三维坐标视觉测量系统，其主要由光笔、摄像机和笔记本电脑组成。
D. Procurement Documentation, Contract Change Control System, Payment System, Contract.
采购文档，合同变更控制系统，支付系统，合同。
This paper describes a new 2-d measurement system with computer vision.
介绍了一种新研制的两维计算机视觉测量系统。
A new 2-d scanning underwater TV system is proposed.
提出了一种新型的二维扫描式水下电视系统。
Conclusion the 3-d computer assistant measure system can exactly accomplish the clinical tooth wear measurement.
结论：自行开发研制的计算机三维辅助测量法可以较精确、快速地实现牙磨耗量的测定。
Conclusion the 3-d computer assistant measure system can exactly accomplish the clinical tooth wear measurement.
结论：自行开发研制的计算机三维辅助测量法可以较精确、快速地实现牙磨耗量的测定。
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