one-solution solution

combination of numerical solution and analytic solution

maximal solution and minimal solution

maximum solution and minimum solution

periodic solution and almost periodic solution

positive solution and negative solution

solution and positive solution

super-solution and sub-solution

upper solution and lower solution

upper solution lower solution

calling for tenders of project and bidding for project

first-phase project of Danjiangkou Hydraulic Project

Phase I Project of Western Route of South-to-North Water Transfer Project

project design project PDP

Project method of teaching; Project teaching method

project recently developed project

Project teaching method; Project method of teaching

project-by-project approach

Weighted distance between a project and the superior project