为了在试验室人工模拟环境下进行混凝土早期特性、裂缝控制及耐久性的试验，需对混凝土结构环境模拟试验室技术进行研究。

In order to study durability, crack controlling of concrete structures and characteristics of concrete at early age in simulated environment, environmental simulation test technology is discussed.

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本论文针对沙漠环境模拟实验室（简称“环模室”）设计了由上位机（PC）和下位机（PLC）构成的控制系统方案。

Firstly, the dissertation presents the design of automatic control system which consists of PC and PLC for the laboratory of desert environment simulation;

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