查询词典 derives

She derives her style of writing from her favourite author- Hector Munro.

She源于她的文风从她最喜欢的作者埃克托尔竹。

Meanwhile, the mutualist also derives some benefit from the mutualist-prey, the presence of prey enhances the per capita growth rate of the mutualist.

本文应用全局分歧理论的有关知识，从只有一个分量为零的半平凡解入手，给出了该系统共存态存在的各种充分条件及参数的取值范围，同时也得到了其共存态局部稳定的某些结果。

The equations of dynamics for the balance are established by Kane's method, from which derives the characteristic equation of natural frequency by means of linearization of dynamic equations, and the six natural frequencies being developed according to the theory of vibration. The law of the six natural frequencies varying with mass of the upper platform and the stiffness of the elastic element are presented,and the Finite Element Method is employed to testify the validity of theoretical results.

基于 Kane 方法研究天平的动力学及模态，通过线性化动力学方程建立天平的固有频率方程，依据振动理论推导出并联天平的六阶固有频率及其对应的振型，同时研究了天平的六阶固有频率随敏感单元刚度系数及上平台质量的变化规律，并用有限元法验证理论计算结果的正确性。

Needle valve:This multi-turn valve derives its name from the needle-shaped closing element.

针型阀：这种多转式阀采用一个针形关闭单元，故名针型阀。

Introduces the notion of Feynman's path integrals and path integrals approach to financial modeling; Derives the path-dependent options pricing formula by making use of the Lagrange form of path integrals; Discusses Ilinski(2003)'s Gauge model which based on path integrals and fibre bundle, and its application for real-options evaluation; Summarizes the general modeling framework of options evaluation, taking advantage of the Hamilton form of path integrals; Applies the Geske-Johnson's analytical approximation in the path integrals form to the real-options evaluation for investment decisions, detailed procedure is presented under the assumption that underlying asset price dynamic follows a geometric Brownian motion, and the integral reduction for multivariate normal integrals and polynomial approximation for real-options evaluation is given.

系统论述了路径积分概念方法及其在期权估值中的应用，利用路径积分方法的Lagrange表述推导了路径依赖期权定价公式：探讨了基于路径积分和纤维丛的Gauge模型思想方法在实物期权价值评估中的应用；利用路径积分的Hamilton表述形式，总结了基于Hamilton表述的期权估值一般化框架；基于路径积分的形式框架建立了一个新的投资期权估值模型，并在具体的估值算法中给出了多重正态积分的降阶计算和期权价值的多项式逼近方法。

Its name derives from two Old Norse words meaning 'god' and 'meadow'.

它的名字来源于古老的挪威语，一个是"神"一个是"草地"。

The blue and purplish blue color derives from octahedral cordination formed with di -valence cobalt and ferric ion.

蓝色的至色机理是二价的钴离子和二价的铁离子构成的配位八面体对光的选择性吸收。

The Abbey of Our Lady of the Lake of Two Mountains (better known by the name of La Trappe, the official name given to the post-office established there) is situated in the territory of Oka, in the Diocese of Montreal, about thirty miles from that city and upon the shores of the Lake of the Two Mountains, whence it derives its name.

修道院的圣母湖的两山（更广为人知，由名称的La Trappe ；时，这位官员的名字给邮政办事处设在那里），是在我国境内的奥卡，在教区的蒙特利尔，约30英里从该城后，岸边的湖水的两山，何时会有它源于它的名字。

The genetic algorithm derives the optimal operations precedence to schedule the operations in the bi-directional scheduling approach.

通过遗传算法的全局搜索，得到最佳的调度结果。

Orchids are the sexiest flowers on Earth. The name 'orchid' derives from the Latin 'orchis', which means testicle.

兰花是世界上最性感的花，"orchid"这个词源于拉丁文的"orachis"，意为睾丸。

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。