a branch of electronics that deals with the design and manufacture of extremely small electronic components and circuits, typically using semiconductor materials such as silicon
微电子学
an electronic device that uses a small electrical current to control a larger current, acting like an automatic switch
继电器
a type of rolling-element bearing that uses balls to maintain the separation between the bearing races, reducing friction and enabling smooth rotation
球轴承, 滚珠轴承
a mechanical transmission system using a flexible belt to transfer power between rotating shafts
皮带传动, 传动带系统
an environment that can be used to verify the correctness of a model or design
测试台, 测试平台
a wheel with a set of square or triangular teeth sticking out around the edge that fits into the edge of a similar wheel, causing both wheels to turn
齿轮, 轮齿
a device that allows movement between mechanical parts of a machine or converts backward and forward motion into circular movement
曲柄, 摇柄
a mechanical component that transmits rotational power from the engine to the wheels or other driven components of a vehicle or machine
驱动轴, 传动轴
gears, toothed wheels, or mechanical components designed to transmit and control power between rotating shafts in a machine, vehicle, or system
齿轮, 传动系统
a thorough inspection and repair of a machine or system to improve its performance or extend its lifespan
检修, 翻新
a permanent fastener with a head on one end and a deformable shaft that forms a second head when joining materials together
铆钉
a toothed wheel with projections that mesh with a chain, track, or other perforated or indented material, typically used to transmit motion or power in machinery, vehicles, or bicycles
链轮, 齿轮
a machine tool that rotates a workpiece so one can shape it by cutting, sanding, or drilling
车床, 旋转工具
the branch of technology and industry concerned with both aviation and space flight
航空航天, 航空宇宙
a professional who uses specialized software to create detailed drawings and plans for buildings, machines, or products
计算机辅助设计技术员, CAD技术员
the branch of mechanics that studies the motion of objects without considering the forces that cause the motion
运动学