其六个参考等级水平正在作为评估个人语言能力的欧洲标准广为接受。
The six reference levels are becoming widely accepted as the European standard for grading an individual's language proficiency.
在本周的探讨中他们建议重新再微调细化估价等级，并再次建议给牙医师的报酬中必须部分参考牙科病例表中的NHS病人数量。
This week's review recommends re-complicating rates a bit, and once again paying dentists partly according to the number of NHS patients on their books.
仪表等级赋予飞行员控制飞机的能力，而不用参考地面或地平线，只使用飞行和导航仪表。
The Instrument Rating gives the ability to control the aircraft without reference to the ground or horizon, using flight and navigation instruments.
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