focusing g stages 聚焦级数
What is more, the high beam quality must be preserved throughout the compression, acceleration and focusing stages.
更难的是，在整个压缩、加速和聚焦阶段中，射束必须一直保持在这样的高品质。
Conclusion Focusing on the education and skill training in every stages in clinical practice is the most effective strategy to prevent mistake and accident in nurse students.
结论抓好护生实习每个阶段的教育和技术培训，是防止护生差错事故发生的有效对策。
This paper analyzes the gasification of big-size lump coal in different stages in gasifier, focusing on discussion of incompletly gasifying of the coal.
对大块煤在气化炉中燃烧的几个阶段进行分析。
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