The mirror had a concave surface for focusing light.
这面镜子有一个凹面用于聚光。
He noticed the concave shape of the old spoon.
他注意到了那把旧勺子的凹形。
The artist carved a concave pattern into the wood.
艺术家在木头上雕刻了一个凹形图案。
The satellite dish has a concave design to receive signals.
卫星天线有一个凹面设计用来接收信号。
The concave lens helped correct her vision problems.
凹面镜片帮助纠正了她的视力问题。
The concave hull of the boat improved stability.
船的凹面船体提高了稳定性。
The architect used a concave roof for better acoustics.
建筑师使用了一个凹面屋顶以改善声学效果。
The concave surface of the bowl held more soup.
碗的凹面能装更多的汤。
The concave design of the chair was very ergonomic.
椅子的凹面设计非常符合人体工学。
The engineer tested the concave structure for durability.
工程师测试了凹面结构的耐久性。
concave lens 凹透镜
concave surface 凹面
concave shape 凹形
concave curvature 凹曲率
concave polygon 凹多边形
concave function 凹函数
