It is an urgent problem to solve that how an investor(client) choose the best required competitor (bidder)among many competitors (bidders), by applying the method of scientific management.

• 投资者(业主)如何在众多的竞争者(投标者)中，运用科学的管理手段择优选出符合要求的投标者，是迫切需要解决的问题。