1、

Longitudinal Stability of Jet-Propeller Aircraft During Low-Altitude Flight

螺旋桨飞机近地飞行时的纵向稳定性

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They are caused by the reradiation of Rayleigh wave propagating along the radial surface or the longitudinal surface in the backward direction.

它们是由沿径向和纵向反向传播的Rayleigh波的再辐射产生的。

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Two sorts of echoes caused by the reradiation of elastic surface wave have been observed in experimentation: the radial surface backscattering wave and the longitudinal surface backscattering wave.

实验观测到两类由弹性表面波的再辐射产生的回波:径向表面反向散射波和纵向表面反向散射波。

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Proposes the 3D support system of urban function and appraisal system with longitudinal hiberarchy and transverse homogeneity compare system;

提出了城市功能三维支持系统、城市功能综合评价的纵向层次结构和横向同质结构体系;

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Mechanism of Pavement Damaged by Longitudinal Shearing Force of Running Vehicles

行车纵剪力损伤路面的机理

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The motion formulae of small ball moving in a slope trough are obtained, which displays a composition of a transverse non-harmonic vibration and a longitudinal uniformly accelerated motion.

分析了小球在斜槽内横向作非简谐阻尼振动同时又在其纵向作匀加速直线运动的轨迹的理论公式。

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8、

Digital analogue analysis of main elevator shaft with longitudinal

含纵向裂纹提升机主轴数值模拟分析

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Profile Modeling for Longitudinal Forward Kinematic Track of Push-arm Trunnion of Bulldozer

推土机履带台车架铰点纵前向运动轨迹的仿形

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The flexible body concept is introduced to constitute the virtual prototyping continuum model of the longitudinal vibration and the transverse vibration of the belt conveyor in the thesis, and the two virtual prototyping models are analyzed in an emulation mode.

本文将柔性体概念引入带式输送机纵向振动连续模型虚拟样机和带式输送机横向振动虚拟样机的建立中,并对这两种虚拟样机进行了振动仿真分析。

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11、

the doctor showed the central longitudinal plane of the organ.

医生展示了器官的中央纵切面。

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An entire model simulating concrete construction process in combination with the concrete pouring without longitudinal, joints of the Three Gorges Project spillway dam is established.

对三峡工程泄洪坝段混凝土通仓浇筑,建立了模拟混凝土施工过程的整体模型。

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Gross-anatomy: 1. Gross-anatomy: Since first vertebra spine was above plane, spinalis, longissimus and iliocostalis could be completely separated by two longitudinal and shallow grooves.

结果:1.大体解剖研究第一腰椎棘突以上平面,棘肌、最长肌、髂肋肌三部分可通过两条纵行浅沟分离。

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15、

The ratio of electron spin energy to the interaction energy between electron and LO ( longitudinal optical) phonon decreases with increasing z, so does the ratio of electron spin energy to the interaction energy between polarons.

电子自旋能量与电子和LO(体纵光学)声子之间的相互作用能之比以及与声子之间的相互作用能之比都随z增加而减小。

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16、

In the case of realistic impurity and phonon scatterings, the longitudinal conductivity is shown to depend on the spin-orbital coupling strength, though the transverse conductivity remains zero.

处理中我们同时考虑了杂质和声子散射,这时横向电荷电导仍旧等于零,而纵向电荷电导变得依赖于自旋轨道耦合强度。

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Parameter identification of spindle unit of single spindle longitudinal automatic lathe

单轴纵切自动车床主轴部件的参数识别

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18、

The results of the experimental research on the dynamic behavior of the spindle unit of the single spindle longitudinal automatic lathe is described in this paper.

本文介绍了单轴纵切自动车床主轴部件动态特性方面的实验研究结果。

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Shear wave is larger than longitudinal wave generated by spiral coil EMAT.

螺旋线圈电磁超声换能器在铝板中产生的横波分量大于纵波分量,横波在铝板中能够传播较远的距离,纵波很快衰减为零。

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