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caffeine
释义
caffeine
Encyclopedia
理学
咖啡碱
释
caffeine
咖啡碱
分子式C8H10N4O2。属嘌呤类生物碱。存在于茶叶、咖啡和可可中。又称咖啡因。
Chemistry
>有机化学>天然产物及药物>释义
caffeine
咖啡碱
>有机化学>天然产物及药物>释义
caffeine
咖啡因
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speed measurement
speed measurement technology
speed of convergence
speed of economic growth
speed of light
speed of light circle
speed of order k
speed of photographic plate
speed of rotation of the ecliptic
speed of sound
speedometer
speed pulser
speed quality
speed reducer with point-line meshing cylindrical gear
speed regulation index for electric drive
speed roller skating
speed servo system
speed skating
speed skating field
speed skating long distance
speed skating mass start
speed skating short distance
speed skating team distance
speed strapdown inertial navigation system
speed test
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