That Y is exactly equal to two inches.

Y 正好等于两英寸。

My arm span is exactly equal to my height.

我的臂展确实等同于身高。

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

这意味着它大约等于， 所以它是一个近似值， 而不是完全等于。

These two things, the normal force is exactly equal to the inward force of gravity.

这两个东西，法向力正好等于向内的重力。

You don't actually exchange things that are exactly equal, otherwise you wouldn't bother exchanging them.

你实际上不会交换完全相等的东西，否则你不会费心去交换它们。

And the New Zealand parliament has reached a unique benchmark with the number of its male and female MPs now exactly equal.

新西兰议会的男女议员数量达到了一个独特的标杆，现在男女议员数量完全持平。

In fact, we could say if we want, I could say that it's going to be exactly equal to 95.4%.

事实上，如果我们愿意，我可以说它会正好等于 95.4%。

In fact, the change in the internal energy of the gas will be exactly equal to the negative of the work.

执行工作。事实上，能量的变化 内部气体等于功值的倒数。

The amount of heat lost by the system is exactly equal to the amount of work done by the system, and vice versa.

系统损失的热量为 正是系统执行的工作量，反之亦然。

The South Pole! Captain Nemo replied in a solemn voice, handing me the spyglass, which showed the orb of day cut into two exactly equal parts by the horizon.

南极! 尼摩船长用很严肃的声音回答，同时把望远镜给我，镜中显出的太阳正好在水平线上切成完全相等的两半。

For, once more, it is indubitable that the sum of the net increments of the wealth of individuals must be exactly equal to the aggregate net increment of the wealth of the community.

因为，毫无疑问，个人财富净增量的总和必须恰好等于社会财富净增量的总和。

As a result, the date when night and day are exactly equal, the equilux, happens a few days earlier than the equinox in March, and a few days later in September, although precisely when depends on your latitude.

因此，昼夜时间的完全相等的那一天，也就是昼夜平分日，在三月比春分早几天，而在九月比秋分晚几天，不过确切的时间取决于你所在的纬度。

So the way to think about it, if you were to look at this and I were to ask you, what is the probability that Y-- because that's our random variable-- that Y is exactly equal to 2 inches?

所以思考它的方式，如果你要看这个并且我要问你，Y - 因为这是我们的随机变量 - Y 正好等于 2 英寸的概率是多少？

The level of output, at which marginal prime cost is exactly equal to the sum of the average prime and supplementary costs, has a special importance, because it is the point at which the entrepreneur's trading account breaks even.

边际主要成本恰好等于平均主要成本和补充成本之和的产出水平具有特殊的重要性，因为这是企业家交易账户收支平衡的点。