bell-shaped curve

基本解释

It's a bell-shaped curve that looks about like that.
大概就是一条这样的钟形曲线
That's a bell-shaped curve, but it's centered exactly on .2.
这是条钟形曲线,它关于x=0.2对称
This is the most famous bell-shaped curve, but there are other ones with different mathematics.
（正态分布）是最著名的钟形曲线，但在数学的其他分支中也有别的钟形曲线。

I should be able to do nice bell-shaped curves, but it's harder than it looks standing up here; so that's your bell-shaped curve.
我还是挺擅长画钟型曲线的,但站着画真的不太容易,这就是钟型曲线
耶鲁公开课 - 金融市场课程节选
This is the most famous bell-shaped curve, but there are other ones with different mathematics.
正态分布是最著名的钟形曲线,但仍有其他表达式下的钟形曲线
耶鲁公开课 - 金融市场课程节选
It's a bell-shaped curve that looks about like that.
大概就是一条这样的钟形曲线
耶鲁公开课 - 金融市场课程节选

This suggests that the familiar bell-shaped curve reflects no immutable law, and that intelligent government policies might well help to reduce pollution levels even while countries are still relatively poor.
ECONOMIST: Local difficulties