A.She seldom reads books from cover to cover.B.She is interested in reading nov
A. She seldom reads books from cover to cover.
B. She is interested in reading novels.
C. She read unly part ofthe book.
D. Shewaseagertoknowwhatthebookwasabout
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某被控对象用实验方法测取对象特性,现得到如图2-12所示的响应曲线,试从图中求出对象的放大系数K、时间常数T及纯滞后时间τ0。
用分度号为Cu50的热电阻测温,测得其热电阻值为64.98Ω,若α=0.0042801/℃,此时被测温度为多少度?