【摘要】 研究了一种简单机械结构的周长和面积测量仪原理,并对其做了理论推导。其测量采用变换器原理,从而使得测量方法变得简捷,简单的数据记录方法精确、实用、有效。该理论推导为其实际运用打下理论基础。更多还原

【Abstract】 This paper studies a principle of the perimeter and area measuring apparatus of a simple mechanical structure,and carries out a thorough theoretical derivation.The principle of changer makes the measurement method become simple and the simple data recording method are accurate,practical and effective.The strict logical derivation has laid a strong theoretical basis for practical application of the measuring apparatus.更多还原