physics problem representation  物理问题表征

problem representation  试题呈现; 问题表征

problem on reproduction and sale of cattle  牲畜繁殖销售问题

representation of problem  问题表征

Developing Problem Situation Problem Posing  发展问题情境拟题

Developing Problem Situations Problem Posing  发展问题情境拟题

Fermi-Pasta-Ulam problem， FPU problem  FPU问题

linear programming problem LP problem  线性规划

servo problem servomechanism-type problem  单细胞蛋白

servomechanism-type problem servo problem  视孔

transform ing the physical connection representation into the mathematical calculation representation  图模转换

Agriculture,Peasant,Countryside problem  14磅

cold-drawing mill problem  K镜机构

countryside,peasant,agriculture problem  板铁矾; *-自同构

four mine problem  任何人─

Problem Students in universities and colleges  孕马血清促性腺激素(PMSG)

San Nong problem  比重

three agricultures problem  测定; 循环使用

three dimensional fishery problem  胆影酸钠

tri-agro problem  青铜色