nij

Depending on the bidding data in railway, highway and municipal construction areas of Railway X Company, establish a math model covering winning probability W and bidding level Nij.

结合中铁×局在铁路、公路和市政工程领域的投标报价信息，建立关于赢标概率W和报价水平N（ij）的模型。

SEVNICA, Slovenia-On days when Melanija Knavs could not play outside or grew tired of knitting her navy blue sweaters, she and her friends would exchange notes along the lines of yarn they strung between their apartment block balconies.

斯洛文尼亚塞夫尼察——每当梅拉尼娅·克纳夫斯（Melanija Knavs）不能去外面玩，或织海军蓝毛衣织累了的时候，她会和朋友们通过在公寓楼的阳台之间扯出的纱线传递信息。