sample grade造句

例句与造句

1. Exploration conducted at Lac Dinga to date has confirmed the presence of multiple potash seams with individual sample grades of up to 25 % KCl ( ~ 15.8 % K2O ).
2. Hooker-Haring said that while he has doubts about the degree to which any standardized test scores provide an accurate reflection of intellectual capacity _ and whether the scores measure speed more than brain power _ he is particularly skeptical about the value of writing sample grades, which are, necessarily, subjective.
3. It's difficult to find sample grade in a sentence. 用sample grade造句挺难的