The study rated understanding at three levels: basic, proficient and advanced.
研究从三个层次理评估理解能力，基本，专业，高级。
Scores are translated into three levels: advanced, proficient and basic. Proficient represents solid academic performance, while basic shows partial mastery of skills.
分数被划分为三个档次：优，良和及格。良代表扎实的学术能力，而及格表示掌握部分知识。
We have a team of excellent management workforce, advanced production facilities and proficient and perfect production technology.
本厂拥有一批优质的管理人才，先进的生产设施以及熟练而完善的生产技术。
We have a team of excellent management workforce, advanced production facilities and proficient and perfect production technology.
本厂拥有一批优质的管理人才，先进的生产设施以及熟练而完善的生产技术。
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