预混火焰对声波扰动的谐波、分谐波和高阶谐波响应并存。
The harmonic, sub-harmonic and multi-harmonic response of the premixed flame to acoustic perturbation was observed.
以纵波形式借由固体、液体或气体传播的物理扰动。声波是由振动的物体产生。
Mechanical disturbance that propagates as a longitudinal wave through a solid, liquid, or gas. A sound wave is generated by a vibrating object.
这种扰动是种声波，它遵从在固体中声波的传播规律。
The disturbance is sound wave, conforming to the laws of acoustic propagation in solids.
论文第二章研究了等离子体中横向扰动下的(3 +1)维弱非线性离子声波，得到了描述离子声孤波的(3 + 1)维kp方程。
In chapter two, the (3 + 1) dimensional weakly nonlinear ion acoustic wave at higher order transverse perturbations in plasma was discussed and described by the Kadomtsev-Petviashvili (KP) equation.
热尘埃等离子体中的非线性尘埃声孤波在高阶横向扰动下是稳定的，且尘埃颗粒的温度、低温离子和高温离子的温度和数密度影响尘埃声波的性质。
The temperature of dust grains, low temperature and high temperature ions and the number densities of the ions influence the property of dust acoustic waves.
结果表明，在极区，压力脉冲导致的扰动传播可以区分成两类不同模式的波动；快磁声波与慢磁声波。
Numerical results indicate that, in polar region, propagating disturbances can be distinguished into two modes, i. e. fast and slow magneto-acoustic waves.
而在赤道附近，传播扰动是快模磁声波，在源区附近还存在一非传播的扰动。
Whereas in the vicinity of solar equator, propagating disturbance is regarded as fast mode wave, and a standing disturbance is found to be located near the source region.
这种扰动是种声波，它遵从在固体中声波的传播规律。
The disturbance is sound wave, conforming tothelaws of acoustic propagation in solids.
利用耦合模理论分析了在双锥光纤耦合区中声光的相互作用，讨论了在不同耦合区半径下扰动周期与声波频率的关系。
The acoustooptic interaction in biconical optical fiber was analyzed based on coupled mode theory, and the relationship between perturbation period and flexural wave frequency was discussed.
当采用某种固定的安装方式时，通过调整超声波流量计的安装角度可以在最大程度上降低因为流场扰动产生的误差。
When uses the way of some kind of fixed installs, it would be possible in the greatest to reduce the error that produces from the perturbation of flow field through the adjustment the angle.
当采用某种固定的安装方式时，通过调整超声波流量计的安装角度可以在最大程度上降低因为流场扰动产生的误差。
When uses the way of some kind of fixed installs, it would be possible in the greatest to reduce the error that produces from the perturbation of flow field through the adjustment the angle.
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