【单选题】隐藏图形测验佥中,要求被试在较复杂的图开中(见图1中的右图)把隐蔽在其中的简单图形分离出来(见图1中的左图)。有些被试能排除背景因素的干扰,从复杂图形中迅速、容易地分离出(知觉到)指定的简单图形。这些被试的认知方式为( )
【单选题】The diagram below depicts a hockey puck moving across a horizontal, frictionless surface in the direction of the dashed arrow. A constant force F, shown in the diagram, is acting on the puck. For the ...
【判断题】Thrust is any force acting in the same direction as the airplane flight path.
【简答题】自动往复循环控制 实训目的 ①能绘制其原理图。 ②能掌握其工作原理。 ③能完成其原理图的标注。 ④能根据标注的原理图绘制出安装接线图。 ⑤能根据安装接线图独立进行接线。 ⑥能根据原理图分析设备出现的故障。 ⑦能根据安装接线图确定故障的位置,并进行维修。 实训设备和器件 动力电源,带漏电保护低压断路器一个,接触器两个,动断按钮一个,组合按钮两个,热继电器一个,电动机一台,组合行程开关两个,黄、绿、红...
【简答题】There are two characteristics of single-acting vane pump , one is that the displacement can be altered by changing , and the other is that the oil delivery direction can be altered by changing the ecc...
【简答题】The force on an area of 0.2 is due to a pressure of 120 kPa. Calculate the magnitude of the force acting on the area. Assume the force acts on the suce in the normal direction.