化为

Riccati method, based on Lyapunov stability theory, is that the design of feedback controller is transformed into the existence problem of positive symmetrical solutions of Riccati equation.

Riccati方法就是基于Lyapunov稳定性理论，将反馈控制器的设计问题转化为Riccati方程正定对称解的存在性问题。

In addition,some cities have experienced rise and fall during the process of practice.

1引言在工业革命时期，城市是以工业化为导向的经济载体。

This dissertation takes life insurance securitization as main line and treats mortality risk bond as study point.

本文以寿险证券化为主线，以其中的死亡风险债券作为研究重点。

On the basis of analysis on rockfall hazards at home and abroad, the studies on rockfall are classified as four aspects, risk analysis, rockfall trajectory, rockfall impact force and rockfall prevention.

基于对国内外大量滚石灾害研究资料的分析，将其研究现状概化为滚石风险分析、滚石运动轨迹、滚石冲击力以及滚石防护等4个方面。

Chinese enterprise with " authoritative ruse " for the center, world-class company is a center with system and culture.

中国企业以"权威谋略"为中心，世界级公司以制度和文化为中心。

The coastal city of Saint-Pierre was destroyed on May 8, 1902, when the Mount Pelee volcano erupted, killing more than 30,000 people -- nearly the total population of the town.

1902年5月8日，沿海城市圣皮埃尔化为废墟。那天，培雷火山爆发，三万多人瞬间毙命--这几乎是该城的全部人口。

In the frame of quantum mechanics, Schrodinger equation has been deduced to the hypergeometric equati...

在量子力学框架内，利用这一相互作用势成功地将系统的Schrodinger方程化为超几何方程，从而简化了系统本征值和本征态问题的计算和讨论。

After several generations of adaptation, the scorpion grow from the three-year evolution of 8 -10 months.

经过几个世代的适应，蝎子的生长期由原来的三年进化为8-10个月。

Steadily, hit by hit, the German sea batteries crumbled into dust.

渐渐的，德国的海防炮台在烟尘中化为瓦砾。

But she didn't do, but myself into the sea into foam.

但她没有这样做，却自已投入海中化为泡沫。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。