查询词典 oscillation

The popular are single-leaf spring oscillation mechanism and resonance mould. In this paper, the introduction to the development of Concast mould oscillation is available at first.

围绕这种思想产生了一些新式振动机构，比较流行的有半板簧振动装置和谐振式振动装置。

In the case that the oscillation factor isn't sign reversal and neutral factor is p, by discussing the sign of the neutral term's first derivative and using Holder inequality the oscillation conditions of the all solutions of this kind of equation are studied, three sufficient theories that all solutions of the equation oscillate are obtained.

在振动因子q保号、中立型因子p的情况下，通过对中立型项一阶导数符号的讨论，根据Holder不等式，研究了该类方程的解振动的条件，得到了所研究方程所有解振动的三个充分性定理，所得结论是对该类问题已有结论的进一步完善和推广。

The device for self-increasing flow was just utilize the under pressure in the self-exciting oscillation cavity to introduce the annular fluid leading to the external excited oscillation.

自增流量装置就是利用自激振荡腔室内的负压力，引入环空的流体形成它激振荡，达到自增流量的目的。

Then by using the generalized Gronwall inequalities, the oscillation for second-order self-adjoint differential equations is discussed and new oscillation criteria are obtained.

第一章为综述，简要回顾常微分方程、泛函微分方程及时标上的动态方程等的振动理论的发展与现状，同时介绍了本文的主要工作。

This paper fully discusses the basic principle and experimental methods of determining aircraft longitudinal dynamic stability derivative during using half-model and various oscillations-free oscillation and fored oscillation.

本文较全面地讨论了当采用不同的振动法，即自由振动法和强迫振动法时，用半模型测定飞行器纵向动导数的基本原理和实验方法。

Start-oscillation current will be down by absolute instability of TE02 and TE01 modes and electron velocity ratio and interaction section, it can be suppressed by the distributed wall losses.

模拟结果显示，TE02、TE01模式绝对不稳定的引发使得原有操作电流降低，其起振电流明显受电子速率比、作用段长度的影响，但此模式可藉由损耗来抑制，此结论与线性理论结果一致。

This paper, with the analysis of the propagation characteristics in a lossy cylindrical waveguide and using small-signal theoretical dispersion relation, presents study on the device stability with influence of the absolute instability and the backward wave oscillation in TE01-mode lossy dielectric-load gyrotron traveling wave amplifier.

摘要该文从分析损耗介质加载金属圆波导中电磁波传输特性出发，应用回旋行波管放大器小信号色散方程，研究损耗介质加载结构TE01模回旋行波管放大器绝对不稳定性振荡和回旋返波振荡对器件稳定性的影响。

The causes for its formation can be attributed to the periodic oscillation of growth rate in the vicinity of absolute stability velocity.

Mn二元合金，镍基合金(Ni-12.9W-7.2Cr-5.2Co-3.6Al-1.4Ti)和1Cr18Ni9Ti不锈钢三种材料在激光快速凝固下的组织形成与转化规律，得到了如下主要结论： 1。

Group velocity of the optical pulse propagation would be reduced based on coherent population oscillation effect in an absorbing medium.

由于相干布居振荡效应，光脉冲通过处于吸收状态的掺铒光纤介质时，将导致群速度传输减慢。

Stability properties and oscillation modes of accretion disks around compact objects are studied in this paper.

研究了环绕致密天体的吸积盘的稳定性质和振动模式。

World War II: Battle of Saipan - Americans take Saipan.

1944年的今天，美国在塞班战役中拿下塞班岛。

When the scorner, the rejecter of truth, has become presumptuous; when the routine of work in the various money-making lines is carried on without regard to principle; when the student is eagerly seeking knowledge of everything but his Bible, Christ comes as a thief.{DA 635.3

当讥诮和拒绝真理的人，到了任意妄为时，当追求财利者罔顾按道义经营谋利时，当学人正在兢兢业业地研究各种知识，而单把圣经丢在一边时，基督要像贼一样来临。