structure constant的例句大全

This regard with the software itself are particularly relevant when the size of the software is growing, more and more complex structure, it is the demand for software also will be in constant change.

这一方面与软件本身的特点有关，当软件的规模越来越大的时候其结构也越来越复杂，更具挑战的是人们对软件的需求也会随开发时间的延长在不断变化。

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Specific structure design, 3D modeling, virtual assembly and finite element analysis ( FEA) on chief parts of the new-type DISCO CVT based on low sliding rate and constant power are finished successfully.

完成了新型低滑动率恒功率行星锥盘无级变速器的具体结构设计及三维建模、虚拟装配和主要零部件的有限元分析。

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Then, the structure and dynamic models of improved constant rotor speed control system using electric field method are proposed.

在此基础上，提出了改进后的球形转子电场恒速控制系统的结构和动态模型。

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Because direct-drive variable speed constant frequency wind power generation system is high efficiency, simple structure and stable operation, it is one of development trends and current research focus of wind power technology.

直驱变速恒频风力发电系统由于其效率高，结构简单及稳定运行，是风力发电技术的发展的趋势和当前研究热点之一。

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The formation of a photonic quantum well structure by sandwiching a graded-index photonic crystal between two symmetrical constant-index photonic crystals is demonstrated.

在对称的均匀电介质材料光子晶体体系中插入另一折射率渐变的光子晶体可构成光量子阱结构。

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By using the projection onto the constant kernal space and the structure decomposition of the solution space of the system, the tractability of index_2 nonlinear system is given, and the stability of zero_solution of this system is analyzed.

利用固定核空间的投影函数和系统的解空间的结构分解，给出了指数2非线性系统的可处理性，同时分析了其零解的稳定性。

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From the band structure, we can see the frequency scope of photonic band gaps, but we know nothing about the evanescent modes in the band gap, such as the decay constant of an evanescent mode.

通过光子晶体的能带结构，我们可以知道光子带隙的频率范围，但不知道光子带隙中消散模的任何信息，如衰减系数等。

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With the ratio of bond angle force constant and bond length one increasing, the crystallized mode softens and makes the structure unstable, finally led to sublimation or melting of the crystal.

体系的键角和键长力系数之比增大时，晶化模软化使结构不稳定，导致其升华或熔解。

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This method can efficiently shorten the time during which system initial states reach the sliding mode, overcome the sensitivity of Constant Variable Structure Control ( CVSC) to noise and changing of model parameters in this period.

该控制方法能有效地缩短系统状态到达滑动模态的时间，克服了定常滑态变结构控制系统在能达阶段对扰动的敏感性。

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Because GaAs and AlGaAs have almost the same lattice constant, the grown NWs are pure ZB structure. 7.

由于GaAs、AlGaAs晶格常数基本相同，因此所生长的异质纳米线为无缺陷的纯ZB结构。

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in addition, we find that for a constant magnetic field strength ratio and constant c2/ c0, the absolute magnetic field strength can also influence the structure of the vortex lattice.

另外，我们发现在同时固定磁场比和c2/c0的情况下，绝对磁场强度的变化也会改变系统的涡旋晶格结构。

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As a primary structure, masonry structure has been developed quickly with the constant renewal of building materials in recent yeas.

近现代，随着砌体材料的不断更新，砌体结构也得到快速的发展，目前仍作为一种主要的结构形式而广泛存在。

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Effect of exfoliation on structure and tensile strength of LC4CS aluminum alloy at constant temperature.

恒温剥蚀对LC4CS铝合金结构和力学性能的影响。

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The phase structure, dielectric constant and dielectric loss were measured by X-ray diffraction spectrometer ( XRD) and LCZ impedance meter, respectively.

利用X射线衍射仪，测定了材料的物相结构，利用阻抗分析仪测定了不同频率和温度下材料的介电常数和介电损耗。

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But showing the complex social system with a constant structure is very rough.

但是，以一种固定不变的结构表现复杂的社会系统，是很粗糙的。

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Structure Design of Constant Velocity Universal Joint with Double Offset Ball Basket

双偏置式球笼等速万向节的结构设计

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Constant speed cruise is widely used in conventional vehicles. As the electric vehicle changes the power system structure of the conventional vehicle, constant speed cruise control method of conventional vehicles can not be used on electric vehicles directly.

定速巡航在传统汽车中得到了广泛应用，由于电动汽车改变了传统汽车动力系统结构，传统汽车的定速巡航控制方法难以直接应用于电动汽车，因此，本文对电动汽车定速巡航进行研究。

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This paper introduces the design of a medical LD system, including its optics, constant-current source, protective circuit, temperature control and structure.

本文介绍了一种医用半导体激光系统的光路、恒流源及控制保护电路、温控、结构等方面的设计。

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The paper studies the pitch-regulated structure and stand-alone control system about MW wind turbine group. The background of the paper is" MW variable-speed constant-frequency wind turbine group ( No. 2001AA512022)", which is supported by National 863 Plan.

本文以国家863计划《兆瓦级变速恒频风电机组》（课题编号：2001AA512022）为背景，主要研究了兆瓦级风电机组的变桨距机构及其单机控制系统。

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by applying the proposed control law to discrete-time variable structure control systems, the stability of origin and steady of systems are better than the exponential rate reaching law and proportional-constant-variable rate reaching law.

应用该趋近设计变结构控制系统，其原点的稳定性和系统的平稳性都优于指数趋近律和比例-等速-变速趋近律。

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