凹面
拼音：āo miàn英文解釋：
【化】 dished surface【醫】 concavity
例句：
- 凹形，凹面與淺的凹型盛食物的容器相似的凹處A depression similar to that in a shallow concave container for food.
- 1200l/mmⅣ型全息消像差凹面光柵的研製1200 Lines/mm Modle Ⅳ Holographic Concave Grating
- 圓錐截面凹面的固定參考點。a fixed reference point on the concave side of a conic section
- 雙凹面透鏡a biconcave lens
- 凹面、凹形結構、或凹線A concave surface, structure, or line.
- 形成凹面；外形象一個盤子。make concave; shape like a dish
- 羅蘭凹面光柵及其工作原理的論證Rowland Concave Grating and Proof of Its Principles
- 凹形，凹面與淺的凹型盛食物的容器相似的凹處A depression similar to that in a shallow concave container for food