selected bidding meaning in English

选择性招标
选择招标

International bids can generally be divided into two kinds : one is open bids or unlimited competitive bid ; another is selected bids or limited competitive bids
国际的投标一般可分为两大类：一类是公开投标，即无限的竞争投标；一类是选择性投标，即有限的竞争投标。
To solve this problem , the text put forward some ration way for select bidding to reference , it ' s based on the operational research and the system work decision - making theory
为解决目前定量评标方法缺乏的问题，本文系统地提出基于运筹学、系统工程决策理论的定量评标方法以供参考。