Secondly, the least square method by recursion is carried on modeling for the disturbing force and moment of random sea.
其次，利用递推最小二乘法对随机海浪扰动力和扰动力矩进行建模。
The vibration responses of floating drilling vessels in random sea waves are studied in this paper by using the theory of random vibrations.
应用随机振动理论，对浮动式钻井装置在随机海浪作用下的动力响应进行了分析。
The nonlinear dynamic response of an articulated loading tower under the action of random sea waves is carried out by means of nonlinear spectral analysis.
本文应用非线性谱分析法，对铰接装油塔在随机海浪作用下的非线性动力响应进行了分析。
In this paper, the dynamic responses of jacket-type offshore platforms under random sea waves is studied, and the finite element of spatial frame is adopted.
本文分析研究了导管架平台结构在随机波浪作用下的动力响应问题。采用空间刚架单元建立有限元方程。
His son said he viewed his father's death as a random event that should not make people fear the water, and said he would eventually go back into the sea.
他的儿子说他只把父亲的死看作是偶然事件，人们不应该因此而畏惧海洋，他最终还会回到海里。
But what permits our brains to turn a chaotic sea of random facts and knowledge into an island of calm understanding?
但是，是什么让我们的大脑将随机事实和知识的混沌之海，变成平静的认识之岛呢？
They may subject to corrosion fatigue damage owing to the effect of random load imposed upon by sea waves, etc.
海浪等随机载荷的作用可能使立管产生腐蚀疲劳破坏。
It has been proved that the new way has good detection performance and strong robustness with more times random test and under more sea state levels.
经过不同海况数据进行多次验证，得出该方法具有良好的检测能力和较强的鲁棒性。
It has been proved that the new way has good detection performance and strong robustness with more times random test and under more sea state levels.
经过不同海况数据进行多次验证，得出该方法具有良好的检测能力和较强的鲁棒性。
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