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【简答题】
种子后熟的影响因素有 、 、 。
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举一反三
【单选题】Assume a two-country two-good two-input model where the following relationships hold: (K/L) U.S. > (K/L) ROW (K/L) automobiles > (K/L) shoes Where (K/L) U.S. is the capital-labor ratio in the United S...
A.
the relative labor endowment is higher than in the Rest of the World.
B.
the price of automobiles relative to shoes is lower than in the Rest of the World.
C.
the price of shoes relative to automobiles is lower than in the Rest of the World.
D.
the relative capital endowment is the same as in the Rest of the World.
【单选题】我国建造的非电力推进交流船舶的发电机额定电压为 ;照明电源负载的额定电压为 。
A.
380V/220V
B.
400V/230V
C.
400V/380V
D.
230V/220V
【单选题】我国建造的非电力推进交流船舶的发电机额定电压为 ;动力负载的额定电压为 。
A.
380V/220V
B.
400V/220V
C.
400V/380V
D.
230V/220V
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