| 单词 | scientific instrument |
| 释义 | scientific instrument (once / 24122 pages) n WORD FAMILY scientific instrument: scientific instruments USAGE EXAMPLESTwo astronauts clamber across the tortured terrain, encumbered by the heavy scientific instruments they carry on their backs and in their hands. Washington Post(Dec 10, 2016) He filled his home with scientific instruments bought at bargain prices on eBay.com and at sales of government surplus and unclaimed baggage. Wall Street Journal(Dec 09, 2016) The only scientific instrument Trump needs is a finger in the wind. Slate(Nov 29, 2016) n an instrument used by scientists Hypo|Hyper accelerator, atom smasher, particle accelerator a scientific instrument that increases the kinetic energy of charged particles consolea scientific instrument consisting of displays and an input device that an operator can use to monitor and control a system (especially a computer system) hodoscope(physics) scientific instrument that traces the path of a charged particle kicksorter, pulse height analyzerscientific instrument consisting of an electronic circuit that permits only voltage pulses of predetermined height to pass cymograph, kymographscientific instrument consisting of a rotating drum holding paper on which a stylus traces a continuous record (as of breathing or blood pressure) magnetographa scientific instrument that registers magnetic variations (especially variations of the earth's magnetic field) magnifiera scientific instrument that magnifies an image microtomescientific instrument that cuts thin slices of something for microscopic examination strobe, strobe light, stroboscopescientific instrument that provides a flashing light synchronized with the periodic movement of an object; can make moving object appear stationary t-scope, tachistoscopescientific instrument used by psychologists; presents visual stimuli for brief exposures telemeterany scientific instrument for observing events at a distance and transmitting the information back to the observer betatron, induction acceleratoraccelerates a continuous beam of electrons to high speeds by means of the electric field produced by changing magnetic flux charge-exchange acceleratoran accelerator in which high-energy ions escape from plasma following charge exchange Cockcroft and Walton accelerator, Cockcroft and Walton voltage multiplier, Cockcroft-Walton accelerator, Cockcroft-Walton voltage multipliera high-voltage machine in which rectifiers charge capacitors that discharge and drive charged particles through an accelerating tube collideran accelerator in which two beams of particles are forced to collide head on cyclotronan accelerator that imparts energies of several million electron-volts to rapidly moving particles linac, linear acceleratorions are accelerated along a linear path by voltage differences on electrodes along the path microscopemagnifier of the image of small objects scope, telescopea magnifier of images of distant objects instrument a device that requires skill for proper use |
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