两种被广泛使用的建模方法是项目图解评审技术（ Proj ect Eval uati on and Revi ew Te c h n i q u e，P E RT）和关键路径法（Critical Path Method，C P M）。
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同义词： impertinent irreverent saucy
以上来源于: WordNet
ADJ If someone describes a young woman as pert, they mean that they like her because she is lively and not afraid to say what she thinks. This use could cause offence. (年轻女子)活泼的; 直率的
...a pert redhead in uniform.
...一位身穿制服、活泼的红发女子。
...pert replies by servant girls.
...女佣们直率的回答。
ADJ If you say that someone has, for example, a pert nose, you mean that it is quite small and neat, and you think it is attractive. 小巧玲珑的 [表赞许]
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