词汇	purpose of art
释义	purpose of art 艺术的目的
随便看	variable intermittent duty variable intersection variable interval variable-interval variable interval reinforcement variable-interval reinforcement variable intervalvischedule of reinforcement variable interval vi schedule of reinforcement variable intervening variable in the model variable ionization variable irrigation variable isochrones variable item variable item processing system variable kemel variable kernel Variable Kingfisher variable k nearest neighbor variable label variable labor cost variable labor costs variable labor division variable lag Variable lags