用fineness of gold造句子，“fineness of gold”造句

"For the purpose of construing descriptions relating to the fineness of gold,"

By studying the fineness of gold, the factor and regularity related to mineralization can be found and used for guiding the exploration of gold deposits.

a mark calculated to be taken as an indication of the fineness of gold of an article which is plated with or enclose in gold alloy or gilded;

It also has responsibilities to protect consumers from fraudulent or unfair trading practices related to quantities of goods and the fineness of gold and platinum articles.

The study of fineness of gold is of important significance in metallogenic theory and prospecting for gold.