u1=220sin314tV滞后u2=311sin(628t+55°)V 55°电角。

某学校打算选拔身高T超过1.75米且体重W不大于55公斤的人作为招生条件，表示该条件的布尔表达式为_____。 A: T>=1.75 And W<=55 B: T<=1.75 Or W>=55 C: T>1.75 And W<=55 D: T>1.75 Or W<55

已知感抗为628Ω，求电感？

中国大学MOOC: 628用8421BCD码可表示为（）

NX70集中载重标记正确的是（m/t）（） A: 1/25,2/35,3/45,4/50,5/55 B: 1/30,2/35,3/40,4/50,5/55 C: 1/30,2/35,3/40,4/45,5/55 D: 1/30,2/35,3/45,4/50,5/55

浅草寺建于（）年。 A: 628 B: 629 C: 630 D: 631

成年人全身共有多少块骨？（） A: 106 B: 628 C: 206 D: 306

下列程序的运行结果是（ ）。t = 0 while t &lt; 5: print(t, " is less than 5") t = t + 1else: print(t, " is not less than 5") A: 0 is less than 51 is less than 52 is less than 53 is less than 54 is less than 55 is not less than 5 B: 1 is less than 52 is less than 53 is less than 54 is less than 55 is less than 55 is not less than 5 C: 0 is less than 51 is less than 52 is less than 53 is less than 54 is less than 5 D: 1 is less than 52 is less than 53 is less than 54 is less than 55 is less than 5

某学校打算选拔身高T超过1.75米且体重W不大于55公斤的人作为招生条件，表示该条件的布尔表达式为_____。 A: T&gt;=1.75 And W&lt;=55 B: T&lt;=1.75 Or W&gt;=55 C: T&gt;1.75 And W&lt;=55 D: T&gt;1.75 Or W&lt;55

下列不属于澳洲的厂号的是（）。 A: 154 B: 628 C: 160 D: 232