合同类型 meaning in English

contract types

In this part , the following is researched : the choice of project contracting mode , the choice of purchasing mode and the choice of contract types
本文主要对业主方合同策划的问题：项目承发包模式的选择、项目采购方式选择及合同类型的选择进行了研究。
Secondly , e - commerce promotes the rapid development of economic , and at the same time , it enriches the means to achieve the interests and provides a solid foundation for the realization of the justice of contract in the pattern of modern e - commerce . the emergence of network has enriched the information gathering channels . and the justified valuation based on the rich information is
此外,电子商务快捷的通讯手段使合同法中要约、承诺的撤回在事实上已经无法实现;网络空间的虚拟化和网民年龄的低龄化,加大了交易主体适格性确认的难度;系统使用合同的出现要求我们增加专门的合同类型以进行规制。