音标与读法

这里为大家介绍下focometer 是什么意思，希望能帮助到各位朋友。

中英文翻译

n.

焦距计[仪]。

A focometer is an instrument that measures refractive errors and is intended to provide rural or economically disadvantaged populations spherical eyeglass prescriptions without the need for complicated protocols, expensive equipment, or electricity. The focometer is monocular and hand-held, and is normally used in natural lighting.

例句与用法

1.Verification regulation of focometer

焦距仪检定规程

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