当用上位机监控PLC时,务必要把PLC的编程软件关闭,因为这两个软件都是访问串口。
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Read the bid sheet from a construction company. Then, mark the following statements as true or false.Ceramic tiles are less decorative than porcelain tiles. _________
A. 对
B. 错
Read the bid sheet from a construction company. Then, mark the following statements as true or false.Stainless steel costs more than standard steel. _________
A. 对
B. 错
对思维与存在的同一性问题的不同回答区分()
A. 唯物主义和唯心主义
B. 辩证法和形而上学
C. 可知论和不可知论
D. 反映论和先验论
把世界的本质或本原归结为某一种或几种具体的物质形态的观点属于()
A. 古代朴素唯物主义
B. 形而上学唯物主义
C. 辩证唯物主义
D. 庸俗唯物主义