slackadj.松弛的；懈怠的；萧条的n.松弛的部分；松散；淡季vt.使缓慢；疏忽vi.变松弛；逃避工作slack resource冗余资源slack attitude态度懈怠slack detector松弛检测器slack in stays参照 staysslack security保安松懈slack sails.松散的船帆slack business不景气的生意slack adjuster松动调整器,空隙调整器,松紧调整器,拉紧螺钉,拉紧装置slack variable松驰变量,松弛变数slackmelt resin半熔树脂