First Class Level 一流水平
The first-class level of education 一流的教育水平
first-class level in an industry 创一流同业对标
It tests that the linearity of XB rocket sled track has reached the first-class level in the world.
测量结果表明，XB滑轨轨道的直线度具有世界一流水平。
There are most luxurious state opera house, most famous music hall and symphony orchestra of the first-class level in the world.
那里拥有世界上最豪华的国家歌剧院、闻名遐迩的音乐大厅和第一流的交响乐团。
With our continuous in-depth study and research, update a concept, make our design style has always maintained a first-class level.
随着我们不断深入的学习和研究，更新理念，使我们的设计风格始终保持一流水平。
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