求翻译：美国制定的农业政策和法规以促进农产品营销、加工和出口为主要目的，有关标准化工作也是围绕这个目标开展的。是什么意思？

U.S. agricultural policy and regulations enacted to promote agricultural marketing, processing and exports as the main purpose of the standardization work is carried out around this goal.

Agricultural policies and laws and regulations formulated by the United States in order to promote marketing of agricultural products, processing and export is the main purpose, the relevant standardization work is also carried out by focusing on this goal.

US formulates the agricultural policy and the laws and regulations take promote the agricultural product marketing, the processing and the exportation as the main purposes, the related standardized work also revolves this goal development.

United States development of agricultural policies and regulations to promote marketing, processing and export of agricultural products for the primary purpose, relevant standardization work is organized around the goal.

U.S. agricultural policy and regulations enacted to promote agricultural marketing, processing and exports as the main purpose of the standardization work is carried out around this goal.