内燃机配气机构是指控制内燃机进气和排气的机构。配气机构按气门在内燃机上布置的方式可分为侧置气门式和顶置气门式两类。
本文为中低速内燃机配气机构的最佳设计，提供了统一的优化模型——条件泛函极值问题。
In this paper, we present a unified optimal model, i. e., the minimizing functional with constraints for the optimal design of critical and low velocity internal combustion engine valve mechanism.
本文提出了确定内燃机配气机构刚度的三种数据处理方法，并对处理结果作出了分析、比较，确认二次刚度平均法是一种较好的实用方法。
This paper has proved that a plane curve cis a circle if and only ifc is the locus of a moving point that has a constant second power average of distances from n fixed points.
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