第075句
under modern conditions,this requires varying measures of centralized control and hence the help of specialized scientists such as economists and operational research experts
译文：在现代条件下，这需要不同的集中控制措施，从而就需要获得专家的协助，诸如经济学家和运筹学研究专家等。
第076句
furthermore,it is obvious that the strength of a country s economy is directly bound up with the efficiency of its agriculture and industry,and that this in turn rests upon the efforts of scientists and technologists of all kinds.
译文：再者，显而易见的是，一个国家的经济实力与其工农业效率直接相关，而效率的提高则有赖于各类科学家和技术专家的努力。
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