汤普金斯紧锁双眉，他没想明白在塔顶加速的原子振动和孙女加速变老的假设之间有什么联系。
Mr. Tompkins frowned. He did not see the connection between speed up atomic vibrations at the top of a tower, and the granddaughter's supposed speeded up ageing.
以广州东沙大桥独塔边跨带辅助墩的混合梁双索面斜拉桥为例，采用对比分析的方法，定量分析结构自重、临时荷载、结构刚度、混凝土收缩徐变这些因素对混合梁斜拉桥成桥状态的影响。
The influences of dead weight of structure, temporary load, structural stiffness, creep and shrinkage in concrete effect on finished dead state of hybrid girder cable-stayed bridge were analysed.
重点研究了非线性双跳变电路中跳变幅度的变化对饱和输出功率的影响。
The changes of the step amplitude in non-linear dual step circuits are emphasized which affect saturated output power.
这种新型的无刷双馈电机转子采用变极原理设计。
This new type of brushless double-feed machines rotor is designed by pole-changing method.
本文采用双逆变技术研制了一种新型的焊接磁搅拌装置。
A new welding electromagnetic stirring device was developed with the dual inverter technique in this paper.
文中基于卫星相对运动状态转移方程，推出了星座双脉冲式变轨控制的理论解；
In this paper, thinking of three-satellite constellation, optimal impulse orbit transfer is studied for constellation launching.
双泉金矿是东准噶尔卡拉麦里金矿带中新近发现的一个中型构造蚀变岩型金矿床。
Shuangquan gold deposit is a medium size tectono-alteration ore gold deposit recently discovered in kalameily gold metallogenic belt of east junggar.
参数激励双摆属两自由度时变系统，是研究多自由度系统以及弹性体梁参激振动的基础。
Parametrically excited double pendulum belongs to 2 degree freedom time-varying system, it is a basis to study nonlinear dynamics of multi-degree freedom system and elastic beam.
目的研究一类具有连续偏差变元的双曲偏泛函微分方程边值问题解的振动性。
Aim To study a class of boundary value problem of hyperbolic partial functional differential equations with continuous deviating arguments.
本文分别分析了双馈发电机和变桨距系统的数学模型。
In this paper, the mathematical model of DFIG and variable pitch system is established.
采用有限温度下维数正规化的方法在任意协变规范下精确地计算了双圈QED的热力学势及其交叉发散。
The dimensional regularization at finite temperature is applied to calculate accurately the thermodynamic potential of two-loop QED and the overlapping divergences at arbitrary gauge.
该系统包含升压和逆变两个环节，均采用电压外环、电流内环的双环pwm控制方式。
The two parts both adopt double loop PWM control mode which consists of outer voltage loop and inner current loop.
这种双摇杆变幅机构可用于浮式起重机的带载变幅作业，具有高的生产率和作业灵活性。
The double rocker mechanism (with back rocker driving) is used to luffing operation of floating crane. It has high productivity and transfer flexibility.
本文首先确定了双丝焊数字化电源的总体方案，设计了两台并行的IGBT全桥逆变主电路的拓扑结构。
A general design of digital twin-wire welding power supply was selected firstly, and two side-by-side IGBT full bridge converter main circuit structures were designed.
在详细分析现有变步长LMS算法的基础上，给出一种以双曲正切函数的改进形式为变步长的LMS算法。
A new variable step size LMS algorithm with improved hyperbolic tangent function is presented, which is derived by the extensive review about some existing LMS algorithms.
在大时变鲁棒数字PID控制方法的基础上，结合二自由度的内模控制结构，实现了控制器参数的数字双PID分离设计。
Separate designs of a dual PID controller were presented based on the large time-varying robust digital PID control combining with two degrees of freedom internal model control structure.
说明了该控制系统在30公斤级与100公斤级的双组元燃料变推力姿控火箭发动机中的具体应用情况。
The practical applications of this control system to the hypergolic bipropellant attitude control rocket engines at 30kg and 100kg thrust levels respectively are stated.
针对经典单周控制有源电力滤波器(APF)存在的问题，提出了单周控制APF的双桥逆变控制策略。
Aiming at some problems in one-cycle control of conventional active power filter (APF), a novel one-cycle controlled APF with double-bridge is proposed.
基于重庆市某空军场站的双U管竖埋式土壤源热泵系统工程，对该系统冬季变工况下的运行能耗进行了分析。
This paper analyzed the energy consumption of a system in operation status——the double U-tubes vertically buried tube ground-source heat pump system in an air force station of Chongqing.
文中阐明了这种复变应力函数迭加解法的基本原理，并用此方法计算了双孔、三孔和四孔边裂纹板的若干数值例子。
The basic principles of the method are described, and some numerical examples of the radial cracks appearing at the boundary of twin, three and four circular holes are calculated.
通过规则齿形结构面在双轴应力条件下的蠕变试验，对规则齿形结构面剪切蠕变特性进行了深入的研究，分析了规则齿形结构面蠕变的基本规律。
Testing study is made on the creep characteristic of regularly dentate discontinuity in the condition of two-axial stresses, and the normal creep rule of regularly dentate discontinuity is analyzed.
从而可实现采用小吨位设备，制造出加工余量少的变截面带双法兰钢半球壳锻件。
This new method made it true to use light tonnage equipment to forge the half spherical steel shell with small metal allowance and variable sections.
方法对窦房结变时性功能障碍的16例患者，植入闭环刺激双腔频率适应性起搏器。
Methods Dual chamber rate adaptive pacemaker with closed loop stimulation were implanted into 16 patients with sinus chronotropic disability.
双剪切试样是设计用于研究镍基单晶超合金的蠕变问题。
The double shear specimen was designed for the study of the creep behavior of nickel base single crystal superalloys at high temperature.
变温荧光光谱观察双分子膜中蒽醌生色基的荧光光谱强度和峰位极敏感地受到双分子膜物理状态变化的影响。
Both the fluorescence intensity and the peak location of anthraquinone chromophore are sensitively affected by the change in the bilayer physical state.
建立了一个适用于复杂地形的冰雹云模式。模式是二维、弹性、非静力、采用地形跟随坐标、包含双变参数冰相微物理过程参数化。
A hail cloud model that is two dimensional elastic non hydrostatic, USES a terrain following coordinate system and includes double parameters for ice phase microphysics, has been developed.
本文讨论了管内瞬变流这一类双曲型非线性分布参数系统的状态观测问题。
This paper examines the problem of observing the state of fluid pipeline transients.
本文提出双参数蠕变损伤模型用以模拟镍基单晶合金叶片的强度和寿命。
A two damage variable creep constitutive model has been presented for the strength and life of nickel base single crystal superalloy turbine blades.
本文提出双参数蠕变损伤模型用以模拟镍基单晶合金叶片的强度和寿命。
A two damage variable creep constitutive model has been presented for the strength and life of nickel base single crystal superalloy turbine blades.
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