convex vs concave
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convex 是較常見的用法。
這兩句的差異是？
凸面（convex）和凹面（concave）是幾何學中常見的概念。凸面指的是向外凸出的形狀，任何兩點之間的連線都位於形狀的外部；而凹面則是向內凹陷的形狀，兩點之間的連線可能會位於形狀的內部。舉例來說，圓形的外圍是凸的，而碗的內部則是凹的。這兩種形狀在數學、物理和工程等領域中都有重要的應用。了解它們的區別有助於更好地分析和設計各種物體。
convex 的例句
The surface of the lens is convex and helps to focus light.
A convex shape can be found in many architectural designs.
The convex hull of a set of points is the smallest convex shape that contains them all.
In mathematics, a convex function has a unique minimum point.
The convex mirror provides a wider field of view than a flat mirror.
She drew a convex polygon with all its interior angles less than 180 degrees.
The convex nature of the bubble made it appear larger than it actually was.
A convex lens is used in microscopes to magnify small objects.
The convex side of the object faced outward, creating a bulging effect.
Understanding convex shapes is essential in geometry and design.
concave 的例句
The mirror has a concave shape that magnifies the reflection.
The artist used a concave lens to create a unique visual effect.
In geometry, a concave polygon has at least one interior angle greater than 180 degrees.
The concave surface of the bowl allows for easy mixing of ingredients.
She admired the concave design of the new building's facade.
The concave nature of the lens helps to focus light more effectively.
He explained how a concave mirror can be used in telescopes.
The concave section of the park was perfect for hosting outdoor events.
The concave shape of the dish made it ideal for serving pasta.
In physics, the concave curvature of a surface can affect the path of light rays.
