国际资本流动反映在一国国际收支平衡表的投资收益帐户上。
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在测量电压时,电压表应( )在负载两端。
A. 串联
B. 并联
C. 任意接
在测量电流时,电流表应( )在负载两端。
A. 串联
B. 并联
C. 任意接
North American students of European background paid more attention to the object in the foreground of a scene, while students from China spent more time studying the background and taking _____ the whole scene.
The researchers tracked the eye movements of the students to determine where they were looking in a picture and how long they focused _____ a particular area.