求翻译：科技进步的经济作用指生产过程中某时间得到的科技是投入、产出两种关系的约束。约束是指生产系统拥有的各种科学技术的现象，不涉及具体的物理过程，是宏观现象的科技。从经济学角度，一般用生产可能性曲线来描述科技进步。用一定生产要素下的生产可能性曲线来体现科技进步所取得的经济效益。是什么意思？

The economic role of science and technology refers to the production process technology is a time to get input, two -output relationship constraint .

scientific and technological progress of the economic role the production process in a time of science and technology, inputs, outputs two kinds of relationships. Binding is a production system with a variety of science and technology, and is not involved in specific physical process is that macroec

The advance in technology economical function refers to the science and technology which in the production process some time obtains is the investment, delivers two kind of relational the restraints.The restraint refers to each science and technology phenomenon which the production system has, does

The economic role of scientific and technological progress in the production technology was obtained some time in the course of the relationship between inputs and outputs two constraints. Constraint refers to the phenomenon of production systems with a variety of science and technology, not related

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