求翻译：在1947年的数据中，里昂惕夫从167个行业的商品中选出净进出口额最大的10类商品，分别看看它们每100万美元的出口总额和进口总额中的要素比例是什么意思？

The data in 1947, Leontief goods industries from 167 largest import and export selected net 10 categories of goods, were to see each of them $ 1 million in total exports and total imports in the proportion of the elements

正在翻译，请等待...

In 1947 data, the Lyons cautious husbands selected only the import and export volume biggest 10 kind of commodities from in 167 profession commodities, separately had a look in they every 1,000,000 US dollar total export and the import total amount essential factor proportion

In the data in 1947, Lyon watchful net members from 167 trades commodity imports and exports of the 10 largest commodities, respectively $ 1 million to see if they total exports and total imports of the elements of the scale

In data for 1947, Lyons cautious elect net import-export volume most large 10 item from 167 goods of trade, see the proportion of key element in every 1 million dollars of them's total export and total import value separately