Specialized Professional Continuing Education (PCE) programs provide scientific, technological, managerial, and other professional expertise to meet the needs of the Air Force.
专业继续教育（四氯乙烯）计划提供科学，技术，管理和其他专业知识，以满足他们的需要，空军。
Essential factors of production which consist of Labour force land capital technique information managerial skills ect. are indispensable to material goods production of mankind.
生产要素是人类进行物质资料生产所必须具备的因素，它包括劳动力、土地、资本、技术、信息以及管理才能等。
Essential factors of production, which consist of Labour force, land, capital, technique, information, managerial skills, ect. are indispensable to material goods production of mankind.
生产要素是人类进行物质资料生产所必须具备的因素，它包括劳动力、土地、资本、技术、信息以及管理才能等。
Essential factors of production, which consist of Labour force, land, capital, technique, information, managerial skills, ect. are indispensable to material goods production of mankind.
生产要素是人类进行物质资料生产所必须具备的因素，它包括劳动力、土地、资本、技术、信息以及管理才能等。
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