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【单选题】
已知一螺绕环的自感系数为L．若将该螺绕环锯成两个半环式的螺线管，则两个半环螺线管的自感系数A.
都小于 L /2
B.
有一个大于 L /2 ，另一个小于 L /2
C.
都等于 L /2
D.
都大于 L /2
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参考解析：
知识点：
皮皮学刷刷变学霸
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【单选题】胃溃疡病
A.
溃疡呈口小底大的烧瓶状
B.
溃疡呈环状与肠的长轴垂直
C.
溃疡一般较小而浅，直径多<1 CM，易发生穿孔
D.
溃疡直径多<2.0 CM，边缘整齐，周围黏膜皱襞向溃疡集中
E.
溃疡大且不规则，常呈火山口状，周围皱襞中断，呈结节状肥厚
【简答题】当梁内按最小配箍率配置箍筋(无弯筋)时,如梁上作用有均布荷载时,梁的斜截面抗剪承载力为 ;如梁上作用有集中荷载时,梁的抗剪承载力为 。 2.对于T形、工字形梁,翼缘位于剪压区时, ( 降低,提高)梁的受剪承载力。 3.钢筋混凝土无腹筋梁发生斜拉破坏时,受剪承载力取决于 ;发生斜压破坏时,受剪承载力取决于 ;发生剪压破坏时,受剪承载力取决于 。 4.在纵筋有弯起或截断的钢筋混凝土受弯梁中,梁的斜截面...
【单选题】Recall Lucy and Melvin from Problem 35.6. Lucy's utility function is 2XL+G and Melvin's utility function is XMG where G is their expenditures on the public goods they share in their apartment and wher...
A.
9000
B.
18000
C.
8550
D.
4500
【单选题】Lucy's utility function is 2X L +G and Melvin's utility function is X M G where G is their expenditures on the public goods they share in their apartment and where XL and X M are t heir respective pri...
A.
10000
B.
20000
C.
8050
D.
5000
【单选题】A _____ strategy that is aimed at driving down expenditures in all functions usually fares best in a more _____ structure with more conservative norms.
A.
differentiation; flexible
B.
differentiation; stable
C.
low-cost; formal
D.
low-cost; organic
【简答题】十进制数 1385 转换十六进制数为( )。
【单选题】Recall Lucy and Melvin from Problem 35.6. Lucy's utility function is 2XL+G and Melvin's utility function is XMG where G is their expenditures on the public goods they share in their apartment and wher...
A.
10000
B.
20000
C.
8050
D.
5000
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