一些比较无趣的数字，一些关于类型的大小，在我们现在进行试验之前，你们对这其中的语法或概念有什么问题吗？

So a bit of uninteresting math, a bit of focus on sizes of types, but any questions on syntax or concepts thus far before we now put this to the test?

youdao

甚至在某些流行的商业配方中质量都不一致；试验表明，从包装上所显示的数字来看，有效成分的浓度差异很大。

Quality is inconsistent even among popular commercial formulations; tests have shown that the concentrations of active ingredients can vary greatly from the amounts listed on the packaging.15.

youdao

比方说，抛硬币的试验，我将正面向上的结果对应数字1，反面向上的结果对应数字0，这样我就定义了一个随机变量。

For example, the experiment could be tossing a coin, I will call the outcome heads the number one, and I'll call the outcome tails the number zero, so I've just defined a random variable.

youdao

For example, the experiment could be tossing a coin, I will call the outcome heads the number one, and I'll call the outcome tails the number zero, so I've just defined a random variable.

比方说,抛硬币的试验,我将正面向上的结果对应数字1,反面向上的结果对应数字0,这样我就定义了一个随机变量

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