differential via差分过孔differentialadj.差别的；特定的；微分的n.差别；工资差额；差动齿轮；[数]微分Differential Quadriphase Shift Keying差分四相移键控differential white blood cell counter白细胞分类计数器differentially-compound wound motor差复激电动机differential potentiometric stripping微分电位溶出differential refrigerating controller差动制冷控制器differential pressure flow transducer差压式流量传感器differential mean--value theorems微分中值定理differential regulating transformator差接可调变压器differential potentiometric titration差示电位滴定differential flotation centrifugation差速浮式离心

1. Flipping a switch, because it's more impersonal, activates the part of the brain associated with memory.
   选择按动开关，因为这样做更加客观，此时大脑中的掌管记忆的部分被激活。