The cutter group for an improvedpaper shredder has the advantages of easy fabrication, low cost, light weight, and the like.
本实用新型的改进型碎纸机的刀组结构具有易制作、低成本、重量轻等优点。
2
A stochastic programming model with fuzzy chance constraint is presented which has stochastic and fuzzy parameters. Improvedpaper-boy problem demonstrates that the programming model is reasonable.
提出一类模糊机会约束的随机期望值规划模型，该模型同时含有随机和模糊参数。
3
In the early to mid-90s, a booming economy and improved desktop printers helped boost paper sales by 6 to 7 percent each year.