direct vision meaning in English
直接视, 中央视觉
直接视觉
Examples
- B ultrasound or ct - guided percutaneous biopsy or thoracoscopic biopsy under direct vision of multiple diagnostic value
在b超或ct导向下经皮穿刺活检，或在胸腔镜直视下多处活检有确诊价值。 - Cars , many helmets and caps are equipped with visors to block the sun from direct vision when the sun is at a low angle
汽车，很多头盔、帽子也装备了护目镜等遮挡物来阻碍阳光从低角度直接照射过来。 - Conclusion with the advantages of clear operation field , direct vision , mild trauma , rapid recovery and avoidance of facial scar , intranasal endoscopic surgery can treat the nose - eye related diseases and nasal diseases at the same time
结论内镜鼻眼相关外科手术，具有直视、术野清楚、损伤小、恢复快及面部无瘢痕等优点，能够同时处理鼻腔病变。 - Unlike conventional open surgery , where operative manoeuvres are predominantly intuitive , surgeons practicing mis have to operate and assess organ structures on a television monitor with its flat two - dimensional image rather than relying on direct vision and the important sensation of touch . not only are movements restricted by the keyhole access , they also become paradoxical in nature since the normal direct coupling of hand and eye no longer applies
要用微形摄影机观察身体内的状况，手术的进行只靠投影在萤幕屏上的二维影像去判断，加上动作受制于微细的切口，又没有直接的手眼的协调，令手术的进行加倍困难。