它只是用来说明显示的目的，而不是用来深入研究彩色视觉的缺陷。
It is intended for screening purposes rather than for the in-depth study of a color vision defect.
目前，基于机器视觉的缺陷检测方法已成为国内外在该领域的研究热点。
At present, the international on-line inspection's study focus on techniques of computer-vision for the surface defect of steel strips.
因此，这是重要的先请教医生，以确定哪些类型的颜色视觉的缺陷是目前。
It is therefore important to seek medical advice to determine which type of colour vision deficiency is present.
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