Do we use the real numbers or do we approximate?

我们用实数还用近似值？

A ballpark figure is a phrase meaning a number which is an acceptably accurate approximation.

A ballpark figure个短语，表示个接受的准确近似值。

The date March 14, as we write it in the United States, is 3-14.

而圆周率日正由近似值3.14得来。

Estimate, roughly calculate, give an approximation, a good guess.

估计，粗略计算，给出个近似值，个好的猜测。

I'm gonna be making a lot of approximations in this calculation.

我在计算时会用到很多近似值。

It's an approximation, that's gonna be 0.15 meters.

这只个近似值，应该0. 15米。

And when they come through our radar we get an approximation for position and velocity.

当它们通过我们的雷达时，我们会得到位置和速度的近似值。

Estimate, roughly calculate, give  an approximation, a good guess.

估计，粗略计算，给出个近似值，个很好的猜测。

Because to first approximation, dark matter is invisible.

因为对于第近似值，暗物质见的。

But the best we can really do is offer an approximation.

但我们真正能做的最好的事情就提供个近似值。

This means it's approximately equal to, so it's an approximation, not exactly equal.

这意味着它大约等于， 所以它个近似值， 而完全等于。

Paul had seen enough for a first approximation.

保罗已经看到足够多的第近似值。

As an approximation, however, we can identify this with the rate of interest.

然而，作为个近似值， 我们以用利率来确定这点。

At some point you have to start to approximate values.

在某些时候，你必须开始近似值。

It gives you an approximation of how fast, or slow, an algorithm is going to be.

它为您提供了个算法将要多快或多慢的近似值。

And that probably would be a pretty good approximation for the variance of this entire population.

这能整个人口方差的个很好的近似值。

He can only help him to become free to strive toward an approximation of these ideals.

他只能帮助患者获得自由， 去追求这些理想的近似值。

At first I thought that this emission indicated that one of the approximations I had used was not valid.

起初我认为这个发射表明我使用的近似值之无效的。

And I use that as an approximation for this area.

我用它作为这个区域的近似值。

Every theory has its range of applicability, and every model is a limited approximation of the world.

每个理论都有其适用范围，每个模型都世界的有限近似值。