There are three branches: Development Branch, Industry Branch and Sales Branch.

Why do we have three branches of government?

为什么我们要有三权分立的政府？

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Today we have three branches, in Perth.

现在我们在珀斯有三家分店。

中考真题- 2018 天津 完形填空

Chaos analysis of the dynamic behavior of temperature fluctuations in a vapor-liquid-solid three phases flow boiling system was conducted in terms of power spectral density function, autocorrelation function, reconstructed phase space, correlation dimension and Kolmogorov entropy.

运用功率谱分析、自相关分析、相图、关联维数和K熵等非线性分析技术对汽液固三相流动沸腾传热系统中的温度波动信号进行了定性和定量研究。

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A issues about the orbital modeling of three bodies which are based on ideal rigid body. And therefore give rise to a integrate numerical method of three body problem. The gravity convergence of rigid body is studied based on rigid body model too.

本文讨论了基于理想模型三体轨道运动规律问题，并给出了一个完整的三体问题的数值解决方案；另外还研究了与引力有关的基于刚体模型的天体表面引力收敛问题。

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Based on the detailed discussions on a simplified ideal resonant model with perturbations which corresponds to the elliptic restricted three& body problem, we put forward a discriminating method on stability of orbital resonant states by means of an energy relation in this paper.

本文通过对一种简化的椭圆型限制性三体问题对应的受摄理想共振模型的详细讨论，建立了一种用能量关系来判别轨道共振态稳定性的方法。

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Applications of symplectic algorithms to the numerical researches of restricted three-body problem

辛算法在限制性三体问题数值研究中的应用

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Based on the model of circular restricted three body problem, nominal orbit in a linearized model can be approached by prediction-correction method, and the orbital control strategy is relatively simpler and can be easily realized.

以圆型限制性三体问题作为基本模型，采用预估-校正法逼近线性化模型下的目标轨道，给出在轨运行期间的轨控策略亦是可取的，这种控制措施相对而言较简单，容易实现。

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Escaping trajectories are investigated using a Poincar é map method in the circular restricted three body problem consisting of spacecraft, planet and moon.

基于由飞行器、行星及其卫星组成圆型限制性三体问题模型，通过庞加莱映射的方法，研究了飞行器从行星卫星附近逃逸的问题。

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The low-energy lunar landing trajectory design using the invariant manifolds of restricted three body problem is studied.

研究了基于三体问题的不变流形设计低成本登月轨道的问题。

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The evidence of correction to the existent motive equations with variable mass in restricted three body problem

对现有的具有变质量的限制性三体问题运动方程予以修正的证明

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Hyperspherical harmonic method and its application to three body problem

超球谐函数方法及其在核三体问题中的应用

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Three Dimensional Electron Beam CT Angiography in Pre-and Postoperative Intracranial Arteriovenous Malformation

脑动静脉畸形手术前后电子束CT三维血管造影的评价

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A doubly achromatic three-magnet beam deflection system

一种消色差三磁铁偏转系统

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This calculating results are consistent with the experimental results of dynamic plastic fracture of three point bend beam.

该计算结果与3点弯曲梁动态断裂实验实测结果相一致。

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The Double-K Fracture Parameter of Concrete for Non-Standard Three Point Bending Beam Specimens

砼非标准三点弯曲梁试件双K断裂参数

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The Loading Capacity of Three Point Bending Beam With the Resistant Force of Cohesive Crack

黏聚裂纹阻抗的弯曲梁承载力

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Stability analysis of thin-walled members by degenerated three-dimensional beam element method

薄壁杆件稳定分析的三维退化梁单元法

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Double-K Fracture Parameter of Concrete and Its Size Effect by Using Three point Bending Beam Method

三点弯曲梁法研究砼双K断裂参数及其尺寸效应

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Study of dynamic fracture behaviour on three point bend beam with off center edge crack

含偏置裂纹三点弯曲梁的动态断裂行为研究

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In this paper, the author establishes the computer numerical model to calculate mechanical parameters with I-DEAS software by adopting simplified three dimensional beam element as the basis element for FEM and analyzes dynamic characteristic for JJ160/ 41-K type derrick under the design loading.

运用I DEAS软件，以简化的空间梁单元建立计算机FEM模型，对JJ160/41K型钻机井架进行了设计载荷下的动力特性分析。

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