所谓 「General Grades，即有别于部门职系（Departmental Grades）及专业职系（Professional Grades）。属部门职系的工作只限于某部门，例如海事主任只在海事处工作、科学主任只在天文台工作；而工程师等则属于专业职系。
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Professional research and development of various types and grades of wholesale abstract oil paintings. Companies to cooperate sincerely with the abstract oil paintings, decorative painting orders.
专业批发研发各种类型和档次的抽象油画。诚与各公司合作抽象油画，装饰画定单。
When I am talking about intelligent and sophistications, I am not talking about the academic grades or the professional field, I am talking about a human as a whole.
当我谈论聪明和智慧时，我不是在谈论学术成绩上或专业领域里，我是在谈论人做为一个整体来讲的。
Professional engaged in the production of various grades of cold-drawn stainless steel seamless steel tubes, all used with the domestic advanced level of processing.
专业从事生产各种牌号的冷拔不锈钢无缝钢管，全线采用具有国内先进水平的工艺加工。
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