This is why we place Snellen's chart at 6 meters.
这就是为什么我们把斯内伦视力表放在 6 米的位置。
Snellen chart
/ˈsnelən/ /ˈsnɛlən/
英汉-汉英词典
斯内伦视力表；斯耐伦视觉图片
词组 | 习惯用语
您要查找的是不是：
e snellen chart e字视力表视力
Snellen chart 斯内伦视力表；斯耐伦视觉图片
原声例句
日常生活医学科普
英语百科
Snellen chart
A Snellen chart is an eye chart that can be used to measure visual acuity. Snellen charts are named after the Dutch ophthalmologist Herman Snellen who developed the chart in 1862. Many ophthalmologists and vision scientists now use an improved chart known as the LogMAR chart.
近义、反义、联想词
近义词
n.display, presentation
英英词典
snellen chart n.
- display consisting of a printed card with letters and numbers in lines of decreasing size; used to test visual acuity
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