bruce campbell 中文意思是什麼
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Fourthly, we comment on some project - based learning cases in other countries. through analyzing learning center of bruce campbell, activity centers of thomas armstrong, the year - long curriculum journey of david lazear, project - based learning designed by sally berman and lilian g katz, we point out the reference significance of them
接著，述評了國外的幾個項目學習案例，分析了布魯斯?坎貝爾的學習中心、托馬斯?阿姆斯特朗的活動中心、戴維?拉澤爾的全年課程計劃、薩莉?伯曼和卡茨等人所設計的項目學習，指出了這些案例對我國開展項目學習的借鑒意義。 -
But after conducting a radar survey of craters constantly in shadow at the lunar poles, bruce campbell of the smithsonian institutionin washington dc and his colleagues said they did not uncover any evidence of thick ice deposits
美國華盛頓特區史密森學會的布魯斯?坎貝爾和他的同事對月球兩極地區陰影凹地進行的經常性雷達掃描結果表明，並沒有任何大量冰層沉積的跡象。
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