The energy implications are converted into letter grades, from squeaky-clean A to dirty G.

能源意蕴被转化为字母等级，从非常干净的A级到脏污的G级。

youdao

He had a neat idea and that was to give letter grades to securities that represented credit worthiness.

他有个绝妙的主意，就是用字母，给证券评级，以此来代表其信用状况。

youdao

As a result, some American Montessori schools now issue letter grades just as non-Montessori classes do.

因此，有些美国的蒙氏学校现在按字母等级评分，跟非蒙氏班级一样。

youdao

She says letter grades do not effectively document learning or provide good direction to students.

VOA: special.2009.03.05

They've become forces of nature in the U.S. Economy, in the sense that people accept these letter grades with great authority.

他们和美国经济密不可分,在这种情况下,人们笃信机构的字母评级

耶鲁公开课 - 金融市场课程节选

He had a neat idea and that was to give letter grades to securities that represented credit worthiness.

他有个绝妙的主意,就是用字母,给证券评级,以此来代表其信用状况

耶鲁公开课 - 金融市场课程节选

In the real world, there are no grading curve and there are no letter grades.

FORBES: Would You Rather Get Into Y Combinator, 500 Startups, TechStars...or Harvard Business School?

In addition to a new numerical scale, at least one company is assigning letter grades to those scores.

NPR: Credit-Reporting Agencies Create New Scoring Format

And school-district officials in Oklahoma complained recently about how test scores are factored into controversial new letter grades assigned to schools.

WSJ: Seattle Teachers Protest Exams