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【简答题】
一交流电流的有效值是50A,则其最大值等于 A.(保留一位小数)。用电流表测量它,电流表的读数是 A.(保留一位小数)。
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举一反三
【简答题】adj. If someone is ______of something, they are unaware of it.
【简答题】光波的相位变化是不能够直接被检测到的。为此,应该应用光学干涉测量技术将相位调制转换成________调制
【简答题】deaf (adj.聋的); doubled(adj.成双的); fear(n./v.担心,害怕); spare (adj.空余的); used to (v.aux过去); wealth (adj.(富有的) 1. What kinds of things do you _______? 2. What do you do in your ________ti...
【单选题】Expand v. to become larger in size, number, or amount, or to make something become larger (使)扩大,增加 split v. to divide or separate something into different parts or groups, or to be divided into differ...
A.
to an agricultural one
B.
from industrial to agricultural
C.
from agricultural to industrial
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