Since this is a concave function, it's not just the expected value.

由于这是一个凹函数，它不仅仅是期望值。

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Water surges from the cells on the inside of the leaf to those on the outside, causing the leaf to rapidly flip in shape from convex to concave, like a soft contact lens.

水从叶子内部的细胞涌向外面的细胞，导致叶子迅速地从凸向凹翻转，就像一片柔软的隐形眼镜。

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When water is pumped out of a chamber below the plate creating negative pressure, the stretchable sensors are pulled down, producing a concave shape.

当水从板下的一个腔中被抽出来产生负压时，可伸缩的传感器被向下拉，形成一个凹形。

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Since this is a concave function, it's not just the expected value.

由于这是一条凹曲线,它不只是期待值

耶鲁公开课 - 金融市场课程节选

The name contains the shape: a hoh is a ridge that rises to a point and has a concave end.

ECONOMIST: Margaret Gelling

Mr Giles's solution to the drag problem is a sharp bow that cuts through waves up to 40 feet high, and a concave hull bottom.

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Lexus-characteristic L-shaped combination lamps feature a layered, strongly three-dimensional design, and the lower, concave bumper section incorporates a full width spoiler to further enhance rear-wheel drive traction.

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