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【单选题】
以下属于非挤土桩的是( )A.
实心的混凝土预制桩
B.
下段封闭的管桩
C.
钻孔灌注桩
D.
沉管灌注桩
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皮皮学刷刷变学霸
举一反三
【单选题】下面几个符号串编码集合中,不是前缀编码的是( )
A.
{0,10,110,1111}
B.
{11,10,001,101,0001}
C.
{00,010,0110,1000}
D.
以上都不是
【简答题】什么叫“相干散射”、“非相干散射”、“荧光辐射”、“吸收限”、“俄歇效应”?
【单选题】International trade shocks:
A.
have no impact on the countries under fixed exchange rate regimes.
B.
are of equal concern to large industrialized countries and to developing countries that rely on exporting a few primary commodities.
C.
include changes in a country’s total exports that result from changes in foreign consumer tastes.
D.
are magnified by the use of tariffs and non-tariff barriers.
【简答题】什么叫“相干散射”、“非相干散射”、“荧光辐射”、“吸收限”、“俄歇效应”？
【单选题】The__________ that exists among nations could certainly be lessened if misunderstanding and mistrust were removed．
A.
tension
B.
strain
C.
stress
D.
intensity
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