中文摘要：

介绍了深海海洋资源开发的战略意义和必要性，探讨了深海多体式浮式结构物国内外发展现状，结构型式和特点．指出常规船体与多体式浮式结构物在结构特征上的区别、浮态坐标系的选取和浮态参数的计算．提出了适合于多体式海洋浮式结构物稳性计算的浮态参数及其相互转换关系．实践证明，将该理论和以该理论为基础开发的SCMFS软件程序应用于工程实践，具有很好的适用性和通用性．

英文摘要：

The strategic significance and the necessity for development of deepwater ocean resources are obvious. This has resulted in increased interest in developing deepwater multi-floating structures. Their structural characteristics are an important area of research, due to significant differences in structural characteristics between conventional ship hulls and multi-floating structures. This paper discusses selection of a floatation coordinate system and calculation of floatation parameters. Floatation parameters suitable for stability computation of multi-floating structures are proposed and a conversion equation between multifloating structures and ships is formulated. The results suggest that an SCMFS software package developed on the basis of this theory has good applicability and universality.