根据本人近10年来项目管理的一些切身体验，重点论述项目投资控制管理中的几个方面。项目投资涉及的环节很多，需要动用的许多人员物资、大量资金。因此建设项目的投资控制的制约因素有很多方面。我想主要从决策、设计和施工三个阶段的投资控制问题谈一点粗浅的认识。-According to my past 10 years, a number of personal experience of project management, with emphasis on investment in several

this article is about Nonlinear analysis of thick shallow spherical and conical orthotropic caps using Galerkin s method

Closed loop control of an unmanned underwater vehicle (UUV) in the dynamicallydifficult environment of shallow water requires explicit consideration of the highly coupled nature of the governing non-linear equations of motion.-Closed loop control o