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The stationary probability density function and the stationary mean out-crossing rate of the response of ship nonlinear roll-motion subjected to additive stochastic white noise excitation are examined by a new approximate method in this paper.

应用求解FPK方程近似解的一种新理论研究白噪声激励下船舶非线性横摇运动的联合概率密度函数及稳定期望穿阈率。

The approximate solution to FPK equation isobtained. The joint probability density function and stationary mean out-crossing rateare investigated for ship nonlinear rolling subjected to additive white noise excitation.Melnikov function and phase space flux are applied to analyze highly nonlinear rolland capsizing of ships in the random seas. The variation of phase space flux withrespect to the characteristic wave period, significant wave height and damping ofships is studied.

求FPK方程近似解，研究白噪声激励下船舶非线性横摇运动的联合概率密度函数及稳定期望穿阈率，应用Melnikov函数和相空间转移率研究船舶在随机波浪中的强非线性横摇运动及其倾覆问题，考虑波浪特征周期、有义波高及船舶阻尼特性的变化规律，推导了船舶在随机横浪中的极限波高的表达式。

When the plane wave returns and crosses the molecule, it produces an interference pattern with the stationary part of the electron wave function, like two trains of water waves crossing and forming a checkerboard disturbance.

一旦平面波折返并横越过分子，它便会与待在轨道上的电子波产生干涉图样，就像是两道水波相遇所形成的西洋棋盘般明暗交错的扰动。

It is through steadfastness of aim and dedicated effort that I have achieved what I have, crossing one hurdle after another.

藉着坚定的目标和精勤的努力，我已经达到了我所有的，超越了一个接着另一个的障碍。

And the wood was still, stiller, but yet gusty with crossing sun.

到中国译典经典版本中查找关于gusty的最新解释和例句。。。。

It is found that a fluctuating stimulus can cause a threshold crossing in the spike generation with a steeper slope than that by a gentle stimulus, thus lead to more precise timed spikes.

一种涨落大的刺激会导致在脉冲产生时的阈值穿越率变大，这对应于高的脉冲时刻精确度。

Taking the nature as the resource of the course, properly reconstruct the land into spare woods, dense clumping, gully and sand land, open some activities such as green maze, clambering in forest, sole wood heaven ladder, obstacle crossing, strop ropeway ,fall backward, bicycle clambering competition and fortification, which are all close to nature and of wild fun.

以大自然为课程资源，可以适当改造地势成疏林、密丛、沟壑、沙地，通过走绿色迷宫、林间攀爬、独木天梯、穿越障碍、溜索、背摔、自行车攀爬竞技、堡垒等一系列贴近自然，追求野趣的游憩活动。

It is a rough crossing from studentship, through novice hood into experience, expertise and excellence as a teacher.

我国于90年代初，提出了新教师试用期培训的问题。

This method can acurately simulate the flow direction in gird near river, and can keep the direction of waterflow from crossing the watershed of subdrainage area.

这样既可以较精确地反映出河道附近格网的水流方向，又可以让各个子流域内的汇流方向和水流方向不会跨越子流域的分水岭。

Changqingwang No.5 is a new early maturing, high yield and disease resistant summer squash F1 hybrid bred by crossing a dark green inbred line A-101, derived from hybrid of France Cuilv and Korea Hanchengzaoshu, as female parent, and white inbred line 03-1, derived from foreign hybrid, as male parent. The plant is strong at late development stage.

以法国翠绿和韩国汉城早熟杂交，经多代自交纯合选育的深绿皮自交系（代号A-101）为母本，国外杂交种多代自交分离选出的稳定白皮自交系（代号03-1）为父本，育成了早熟丰产抗病的西葫芦杂交种长青王5号。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐