lever是什么意思

双语用例

• The bar-press response would not be possible without the presence of the metal lever (bar) that extends into the experimental apparatus.

• There seems to be a movement towards nationalism, and often language is a lever in the dispute.

• These remain publicly owned, publicly capitalized, and publicly accountable, but institution-level managers gain control over important operating levers, often including hiring patterns and salary ranges.

• Even a hungry rat rewarded by food for pressing a lever is to an extent controlling itself.

• The other is the hook causing the lever to remain at rest prior to when the shutter release button is pressed.

• For example, the sound of the food dispenser may function concurrently as elicitor of conditioned salivation and conditioned reinforcer for lever presses.

• This program also began in 1993 with the aim of identifying barriers and highlighting potential levers to the process of getting research into practice.

• The most obvious policy ' lever ' suggested by this study for increasing the access of the poor to more remunerative wage labour is rural formal education.