| 单词 | pulse |
| 释义 | pulse 1. n. & v. --n 1. a a rhythmical throbbing of the arteries as blood is propelled through them, esp. as felt in the wrists, temples, etc. b each successive beat of the arteries or heart. 2. a throb or thrill of life or emotion. 3. a latent feeling. 4. a single vibration of sound, electric current, light, etc., esp. as a signal. 5. a musical beat. 6. any regular or recurrent rhythm, e.g. of the stroke of oars. --vintr. 1. pulsate. 2. (foll. by out, in, etc.) transmit etc. by rhythmical beats. Phrases and idioms pulse code coding information in pulses. pulse code modulation a pulse modulation technique of representing a signal by a sequence of binary codes. pulse modulation a type of modulation in which pulses are varied to represent a signal. Derivatives pulseless adj. Etymology: ME f. OF pous f. L pulsus f. pellere puls- drive, beat 2. n. (as sing. or pl.) 1. the edible seeds of various leguminous plants, e.g. chick-peas, lentils, beans, etc. 2. the plant or plants producing this. Etymology: ME f. OF pols f. L puls pultis porridge of meal etc. |
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