查询词典 fluid dynamics

In order to clearly understand the dynamics mechanism about broad-leaved Korean pine forest and simulate its dynamics mechanically, a simulation model is demanded through which we can simulate the long-term dynamics of BKPF under different pine cones picking intensity and hunting for grey squirrels in different intervals. By considering the effective dispersal of seeds by animals, the human disturbance and the masting behavior of Korean pine, a new gap model integrated seed-bank and regeneration dynamic model, based on the classical gap model, is established.

为了能够充分理解阔叶红松林的动态机制，准确模拟东北阔叶红松林的动态变化，探索出既能够保护好又能够利用好阔叶红松林的新途径，根据阔叶红松林的动态机制，在经典林隙模型的基础上，添加考虑了阔叶红松松林中动物对种子的有效传播、人工采摘干扰以及红松的结实特性，建立了红松种子库及其更新的动念模型更新子模型，使模型更能够反映阔叶红松林中的动态机制。

The conclusion is that using well rigid dynamics and spring dynamic characteristic to study large structure dynamics problem is feasible and resultful under the condition of no well-rounded appropriate elastic dynamics theory.

得出的结论是：在柔体动力学理论尚未成熟完善的情况下，运用成熟的刚体动力学理论、弹簧力学特性等理论研究大型结构的动力学问题是可行而有效的方法。

Here, a discrete wavelet transform is employed to extract unlearnable dynamics. While learnable dynamics is handled by ILC, unlearnable dynamics is regulated by feedback control. It will let ILC become more robust.

因此，在此将辅以离散小波转换(Discrete Wavelet Transform， DWT)以分离不可学习之成分，可学习之部分由学习控制处理，而不可学习之部分则以回授控制压抑之，使反覆学习控制更具强健性。

It has become the historical task of dynamics of rock and soil mass to study the relationship between synthetic physical properties and dynamic response of rock and soil mass, consummate the theory and methodology of dynamics of rock and soil mass, and accelerate the formation of subject system of dynamics of rock and soil mass crossed and osmosed by many other relative sciences so as to meet the demand of sustainable development of mankind society.

进行工程岩土体的综合物性与动力反应的系统研究，完善工程岩土体动力学的理论和方法，促进多学科交叉渗透的岩土体动力学学科体系的形成，以适应人类社会可持续发展的需要，已成为岩土体动力学研究的历史任务。

The paper is based on the multi- rigid bodies systems dynamics and the flexibility polysome systems dynamics as the rationale, uses the related mathematics theory of mechanics and the method inferential reasoning polysome systems dynamics equation.

本文是以吉林省科技发展项目：&具有主动约束阻尼层的柔性机械臂系统动力学研究及其优化控制&项目为依托，以多刚体系统动力学和柔性多体系统动力学为理论基础，利用相关的数学力学理论和方法推导多体系统动力学方程。

The theory of multibody system dynamics is used to simulate valve trains' kinematics and dynamics characteristics, and the methods of establishing and analyzing the multibody system dynamics model for valve trains are discussed.

运用多体系统动力学的原理来模拟配气机构的运动学和动力学特性，讨论了配气机构多体系统动力学建模和分析的方法。

Besides the previous research finding, the ideal gas equation and ideal gas, fluid dynamics and thermal dynamics were also included in the derivation of the equation of state of the detonation Wave.

目前国内可量测爆震波速度的仪器并不普遍，因此爆震波速度值得之不易，想利用爆震波速度来探讨爆破震动的特性更是难上加难，本文将依据理想气体方程式、流体动力学、热力学、理想气体多变定律和相关的经验公式，结合冲击波和爆震波传递时质量、能量和动量守恒的理论，推导爆震波的状态方程式，并藉由爆震波的状态方程式了解爆震波的特性及其应用。

The effect of static aeroelastic distortion to the aerodynamic characteristic for a real high-aspect ratio sweepforward wing of composite material under different load statuses was analyzed. The integrated design method combined aerodynamic with structural was adopted in this analysis using associated computational fluid dynamics program FLUENT and computational structual dynamics program NASTRAN.

针对－真实复合材料大展弦比前掠机翼，采用气动／结构一体化的分析方法，利用计算流体动力学软件FLUENT和计算结构动力学软件NASTRAN联合求解，研究了在不同载荷情况下大展弦比柔性机翼静气动弹性变形对机翼气动特性的影响。

Based on the compressibility, viscosity resistance and the working house system's deformation etc, flow equations of distribution spool, hydraulic tube and fluid cylinder for 300 MN die forging hydraulic press were established, and dynamics equations of moving beam and upper beam were established based on analysis. The dynamics mechanical-hydraulic coupling model of driving system was established.

考虑流体的可压缩性、粘性阻力及工作框架系统变形等因素，采用解析法建立300 MN模锻水压机动梁驱动系统分配阀口、液压管道、液压缸的流量方程以及动梁和上横梁的动力学方程，得到驱动系统的动态机液耦合模型。

Based on the compressibility, viscosity resistance and the working house system's deformation etc, flow equations of distribution spool, hydraulic tube and fluid cylinder for 300 MN die forging hydraulic press were established, and dynamics equations of moving beam and upper beam were established based on analysis. The dynamics mechanical-hydraulic coupling model of driving system was established.

摘 要：考虑流体的可压缩性、粘性阻力及工作框架系统变形等因素，采用解析法建立300 MN模锻水压机动梁驱动系统分配阀口、液压管道、液压缸的流量方程以及动梁和上横梁的动力学方程，得到驱动系统的动态机液耦合模型。

You have to walk your own alk in this life.

次生中你必须走自己的路。

To start with, the thesis analyses ***ism in terms of the generic masculine words, word order and semantic derogation of women in greater detail.

论文首先从阳性词泛指，词序，词义的贬降等方面对英语中的性别歧视现象进行了详细的分析。