求翻译：第一主成分解释的原变量方差最多，而其后的主成分所解释的方差逐渐减少，因此，一般认为第一主成分是污染的主要来源是什么意思？

正在翻译，请等待...

The first main ingredients of the original variable explained that the poor and most of the main ingredients of the explanation, therefore, gradually reduce the difference between the general view was that the first ingredient is the major source of pollution

The first principal components explanation original variable variance are most, but after that the principal components explained the variance reduces gradually, therefore, thought generally the first principal components are the pollution main origin

First principal component to explain the variance of the original variables up to, and thereafter the principal component of variance explained by gradual reduction, therefore, the first principal component is generally considered the main source of pollution

正在翻译，请等待...