该文提出了建立具有分布式结构的基于CAN总线的温室控制系统模式，可以降低成本，为解决温室控制系统智能化问题提供了有效的途径。
The idea of distributed structure of greenhouse control mode based on CAN bus could decrease cost and also provide a valid way to solve its intelligent problem.
本位置伺服系统它采用STD总线模块式的多cpu结构，主要面向经济型数控机床。
The position servo system it USES STD bus module type more CPU structure, mainly for economical nc machine tools.
不选用双绞线，是极端过错的。485总线一定要是手牵手式的总线结构，坚决根绝星型连接和分叉连接。
Do not use twisted pair, is extremely wrong. 485 bus must be hand in hand type bus structure, resolutely eradicate star connection and branch connection.
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