And the trick to a puzzle box is there's a simple way to get out but you have to kind of pull on something, some special lever, to make it pop open.
这个谜笼的设计是这样的,只要小猫拉动一个东西,它就能够逃出去，拉动一个特殊的杠杆，迷笼就会打开。
A simple device, such as a lever, a pulley, or an inclined plane, that alters the magnitude or direction, or both, of an applied force; a simple machine.
机械装置一个简单装置，如杠杆、滑轮或斜面刨，可以改变作用力的大小或方向或同时改变；简单机械装置。
The main strap can be tightened with a pretty simple tug on the inside lever.
主要的束带可以借由简单的扳动中央拨杆来束紧。
The method is system, completion, precision, simple and easy operation, fitting for the people of different culture or science technique lever to study and use.
此法系统、完整、准确，又简单、易懂，便于掌握和操作，适合于不同层次的文化和技术水平人员学习和采用。
A kind of simple structured lower cost computer testing device for the stiffness of astronautic minityped torsion lever was developed.
研制了一种结构简单、成本较低的航天微型扭杆刚度计算机测试装置，其主要硬件由精密电控转台和转矩传感器组成。
The appearance is designed beautiful, avoiding the defect that the shifter lever is exposed; the design is novel and unique and the device is simple and pragmatic.
本设计外观美观，避免了拨杆外露的缺陷，创意很新颖独特，又简洁实用。
This method provided a simple way to design micro-cantilever array based on optical lever in the future.
该方案对微梁多阵列传感器研制开发提出了一个新的思路。
This method provided a simple way to design micro-cantilever array based on optical lever in the future.
该方案对微梁多阵列传感器研制开发提出了一个新的思路。
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