IELTS学术词汇 (分数8-9) - Engineering

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

an electronic device that uses a small electrical current to control a larger current, acting like an automatic switch

a type of rolling-element bearing that uses balls to maintain the separation between the bearing races, reducing friction and enabling smooth rotation

a mechanical transmission system using a flexible belt to transfer power between rotating shafts

an environment that can be used to verify the correctness of a model or design

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

a device that allows movement between mechanical parts of a machine or converts backward and forward motion into circular movement

a mechanical component that transmits rotational power from the engine to the wheels or other driven components of a vehicle or machine

gears, toothed wheels, or mechanical components designed to transmit and control power between rotating shafts in a machine, vehicle, or system

a thorough inspection and repair of a machine or system to improve its performance or extend its lifespan

a permanent fastener with a head on one end and a deformable shaft that forms a second head when joining materials together

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

a machine tool that rotates a workpiece so one can shape it by cutting, sanding, or drilling

the branch of technology and industry concerned with both aviation and space flight

a professional who uses specialized software to create detailed drawings and plans for buildings, machines, or products

the branch of mechanics that studies the motion of objects without considering the forces that cause the motion

a rotational force measured in newton-meters or foot-pounds