The design values of wave - induced bending moments must he first estimated, When the direct structural design method was used for general ship designing, especially for ships beyond mies.
在对常规船舶，特别是超规范船舶，进行结构的直接设计时，首先要对波浪弯矩设计值作出估计。
In this pater, using parametric transform method direct derive soliton wave equation of loss optical fibers and elementary soliton solution.
本文用参量变换法直接导出了有耗光纤的孤波方程及其基态孤子解。
This model is solved by applying the direct perturbation method. The time evolution of spectrum and the first order approximate wave function for the system are presented.
利用直接微扰法，给出了该系统的一级近似波函数及能谱随时间的演化规律。
应用推荐