英语词组含义请教：下面这段话中的 spun off

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英语词组含义请教：下面这段话中的 spun off
RICH OZMINKOWSKI:"The tools available back when 1706 was developed,it was all very,very conventional breeding.There were no genetic tools.You could not look at sequences.You could not do comparisons.And that is what makes the genomic project and the technologies that have spun off of that so interesting."

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