When they detect light, rods and cones pass the visual signal from nerve cell to nerve cell to the visual processing part of the brain.
当光线被这些感受器感受到时，杆状和锥状细胞就把视觉信号从一个神经细胞传到另一个神经细胞，一直传送到大脑负责成像处理的区域。
If a whistle is not available, use the visual signal alone.
如果无口哨的话，只使用可视信号。
On dictation equipment, a device that gives an audible or visual signal at the end of the recording medium.
口述记录设备上的一种装置，当到达记录媒体末端时发出一个声响信号或可视信号。
Subretinal prosthesis can utilize more retinal live cells to process visual signal and has attracted most attention in the field of artificial visual function recovery.
外层型人工视网膜修复可以更多地利用视网膜疾病患者中的残余活细胞，已成为人工视觉功能修复技术领域的研究热点。
Subretinal prosthesis can utilize more retinal live cells to process visual signal and has attracted most attention in the field of artificial visual function recovery.
外层型人工视网膜修复可以更多地利用视网膜疾病患者中的残余活细胞，已成为人工视觉功能修复技术领域的研究热点。
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