扰动

The RRO disturbance has been estimated on the 3000th track of a microdrive according to the proposed method.

在一款微型硬盘驱动器上进行了实验研究，测试出第3000号磁道的位置误差信号，根据估算方法推导出RRO扰动数据量。

However, we found that there are time-frequency shift between microseismic signals at different site after further investigation.

然而，通过对信号时频特征的细致分析后发现：&震前扰动&信号存在着明显的&时频偏移&现象，不完全符合&第二类脉动&的特征。

The theoretical analysis shows that the wave-activity relation presented a nonconservative form in which the pseudoenergy wave-activity density is composed of disturbance kinetic energy, available potential energy and buoyant energy. The local change of pseudoenergy wave-activity density depends on the combination of shear of zonal basic flow, Coriolis force work and wave-activity source or sink as well as wave-activity flux divergence.

理论分析表明，拟能量波作用方程具有非守恒形式，其中的拟能量波作用密度主要由扰动动能、有效位能和浮力能三部分组成；拟能量波作用密度局地变化除了受拟能量波作用通量散度影响之外，纬向基本气流切变、科氏力作功以及由非绝热加热和水汽相变所构成的波作用源汇项对其也都有贡献。

With conditions of approximately actual beckground wind field in typhoons and a barotropic nondivergent model in a cylindlical coodinate, the Problem of instability of the Perturbation in tyPhoons is discussed.

在与实际台风风场近似一致的环境流场条件下，应用柱坐标中的正压无辐散模式，讨论了台风中扰动的稳定性问题。

Our results show that: the number of periodic orbits of a nonintegrable systemdecreases and the system becomes more chaotic as the perturbation on the integrable part is increased.

研究表明：当体系所受的扰动增加时，体系的混沌程度就会不断增加，周期轨迹的数目也越来越少。

Obviously, the study on nonparallel boundary layer stability has an important sense in theory, on the other hand, the determination of precise growth rate of disturbance is help to enhance the precision of the factor in transition criterion, so it has also an important sense in practice.

本文对非平行流边界层稳定性问题所进行的深入研究，显然具有重要的理论意义，而且所精确确定的扰动放大值，有助于实用转捩准则中放大因子精确度的提高而具有重要实用价值。

The nonparallel linear stability of the two-dimensional and three-dimensional disturbance waves are studied by the parabolized stability equation which is developed in recent years and the local method based on the Landau expansion.

本文从Navier-Stokes方程出发，导出不同形式的流动稳定性方程，包括采用小扰动理论得到的Orr-Sommerfeld方程、基于流向慢变特性而得到的抛物化稳定性方程以及在一小范围内计算的局部法方程。

Based on some related concepts of shock disturbed system, weakening buffer operators with variable weights and strengthening ones with variable weights are established respectively. This subject defines buffer operator regulation degree which reflects effect strength to original sequence caused by buffer operator, and also studie the relationship between buffer operator regulation degree and variable weight. Consequently, the monotonicity nonvariable axim of buffer operator is put forward.

基于冲击扰动系统的相关概念，提出了变权缓冲算子的概念，分别构造了变权弱化缓冲算子和变权强化缓冲算子，定义了缓冲算子调节度来反映缓冲算子对原始序列的作用强度，并研究了缓冲算子调节度与可变权重之间的关系，在此基础上提出了缓冲算子的单调性不变公理。

It is shown that the large-scale orographically produced perturbationsin a frictionless,adiabatic and baroclinic atmosphere can be described by athree dimensional Helmholtz's differential equation.

本文指出，对于无黏性的、绝热的斜压大气的大尺度常定有限扰动，可以用一个三维的Helmholtz 方程来描写。

Research on bioturbation is very important to roundly and exactly understand the processes of biogeochemical cycles in marine sediments, accurately reconstruct the records of palaeogeography, palaeoclimatology and palaeoecology, reasonably adjust and control the biodiversity of seabed ecosystem.

海底生物扰动作用的研究，对于全面、精确地掌握海洋中各种物质的生物地球化学循环过程，正确回溯古气候、古海洋和古生态记录，合理调节和控制海底生态系统的多样性具有十分重要的意义。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。