| 单词 | test chart |
| 释义 | > as lemmastest chart test chart n. Ophthalmology = test card n. (a). ΘΚΠ the world > health and disease > healing > ophthalmology or optometry > [noun] > kinds of eye-test > card used in testing sight test card1892 test chart1910 1910 H. C. Parker Handbk. Dis. Eye v. 62 (caption) Test chart for illiterates. 1978 J. Parr Introd. Ophthalmol. ii. 64 If a subject's visual acuity is less than 6/60 the distance from the test chart can be progressively reduced down to 1m. < as lemmas |
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