“roller ball”的概念、定义、翻译、参考文献-科学参考

单词	roller ball
释义	roller ball Computer See trackerball.
随便看	Chomsky, Avram Noam (1928–) Chomsky hierarchy Chomsky normal form Chondrichthyes chondrin chondrite chondrite model Chondrites chondritic Earth model chondritic unfractionated reservoir chondrocranium chondrocyte chondrodite chondrophore chondrosteans Chondrostei chondrule chopped impulse voltage chopper chopper amplifier chopping secondary Choquette and Pray classification chord chordamesoderm Chordata

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