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 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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