问答题

扰动输入引起的动态误差与什么有关

答案：答案：扰动输入引起的动态误差与系统的动态特性、扰动的性质（如频率、幅度等）、以及系统的控制策略等因素有关。1. 系统的动...

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2、 The word ( ) itself usually refers to the deterioration of metals and ceramics, while similar phenomena inplastics generally called ( ) C.degradation...corrosion D.corrosion... degradation

答案：答案：D. corrosion... degradation 解析：在材料科学中，"corrosion" 一词通常用来...

2、 The word ( ) itself usually refers to the deterioration of metals and ceramics, while similar phenomena inplastics generally called ( ) A. recrystallization.... corrosion B. recrystallization...deg

答案：答案：B 解析：选项中的 "recrystallization" 指的是再结晶，这是一种材料科学中的过程，通常...