专门技术 meaning in English

expertise noun
know how
metier
professional skill
science
technical skill
technics

The use of less skilled labour for numerical classification is a real possible advantage .
数值分类需要较少的专门技术，这真正是一个潜在的优点。
Everything was run on the most accurate and delicate scientific method, educated and expert men were in control everywhere .
一切事务都按照精密，准确的科学方法管理，到处都由受过教育，有专门技术的人掌管着事务。
How do you fill the gaps in your expertise
如何弥补你在专门技术方面的缺口？
Established know how in processing of titanium
拥有钛材加工的专门技术
The organization emphasizes its expertise in food labelling
,并着力于食品标签方面的专门技术

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