One kind of stepping motor control card based on ISA bus of PC which achieved multi-spindle linkage control is introduced, its principle and design of hardware construction and software are discussed.
介绍了一种基于PC机的IS A总线步进电机控制卡,实现多轴联动控制,讨论了其工作原理和硬件结构设计、软件设计。
The composition and principle of fire auto-alarm system are presented. The linkage control and its application of fire equipments are discussed.
概述了火灾自动报警系统的组成及工作原理,对消防设备的联动控制及应用进行了探讨。
Based on the radical conditions of genetic equilibrium, the principle of linkage equilibrium condition and process, for two gene loci is introduced by precise mathematical reasoning.
此文从遗传平衡的基本条件出发,通过较严谨的数学推导,介绍了两个基因座的连锁平衡条件、平衡过程等原理,供教师和学生在群体遗传学教学中参。
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