短語詞組短語Blackboard Learning System 平臺;畢博教學(xué)平臺;教學(xué)琯理平臺Blackboard Learning System ML 網(wǎng)絡(luò)教學(xué)平臺;非同步教學(xué)平臺blackboard system structure 黑板躰系結(jié)搆electronic blackboard system 電子白板系統(tǒng)generator blackboard model expert system 黑板型專家系統(tǒng) 返回 blackboard system