把股票价格的运动联系到指数运动的一种衡量方法。

A measure correlating stock price movement to the movement of an index.

youdao

因此，肯尼迪所指的是，虽然 GDP 是衡量国家经济活动最常用的方法，但作为一种衡量标准，它已经不够合理了。

So what Kennedy was referring to was that while GDP has been the most common method for measuring the economic activity of nations, as a measure, it is no longer enough.

youdao

另一种计算gdp的方法衡量的是该国总人口的生产品消耗总量。

The other method of calculating GDP involves measuring total consumption of products by a country's population.

youdao

Okay. For those who have not seen a radian, it's just another way to measure angle with the understanding that a full circle, which we used to think is 360 degrees, So a radian is roughly 60 degrees.

我想告诉那些还不懂弧度制的同学,这是衡量角度的另一种方法,理解起来是这样的,对于一个整圆,也就是我们之前所说的360°,所以1弧度大约是60°

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