查询词典 instantaneous changes

The continuous measurement method of the instantaneous velocity has not been developed and applied yet over the country from author s knowledge.

目前速度的测试方法一般仅能确定运动物体在两点间的平均速度，瞬时速度的连续测试方法在国内尚未得到开发和应用。

The instantaneous velocity field can be measured by using PIV technique. This is important to researching the unsteady flow within turbomachinery.

实践表明，该实验台能够满足本文的实验要求，而且为以后进一步的实验研究留有充分的余地。

Formulations of the lift and the thrust are derived based on the three-dimensional unsteady vortex lattice method, and the effect on instantaneous shape velocity is analyzed.

推导了新的基于空间非定常涡格法的扑翼飞行器升力和推力的计算公式，然后分析了瞬时形状速度对它们的影响。

Different disturbance frequencies have different effects on void wave instantaneous velocity probability distribution.

不同外加扰动频率对空隙率波瞬时波速概率分布的影响不同。

Particle Image Velocimetry is a technique of measuring instantaneous 2D and3D velocity fields growing rapidly in recent years.

粒子图像测速技术(Particle Image Velocimetry，PIV)是近年来发展很快的一种定量化的瞬时二维及三维流场速度场测量技术。

The influences of reservoir pressure and pulse duration on the instantaneous velocity are investigated.

过渡过程的基本特征为滤管内压力低于管外压力，滤管外壁附近存在回流现象。

By virtue of the instantaneous velocity of vehicles and precise time information supplied by GPS, a mathematic model can be established.

在利用GPS对车辆的定位与导航的基础上，进一步利用GPS提供的即时速度和准确的时间信息，通过数学建模，得到交通流量，平均车速，行程时间，车道占有率等一系列重要交通状况信息，以实现交通状况的实时检测，为城市交通管理系统智能化的实现提供必要保证。

Instantaneous velocity of the fluid-point is measured with LDA in the pipe reactor.

本文主要对管式反应器中流场特性和传质特性两方面进行了较深入的研究。

The flow field of free jet was measured by PIV. The instantaneous velocity vectors of the core region of jet was studied experimentally.

利用PIV技术测量了射流流场，得到了自由射流核心区的瞬时速度场，并对实验结果进行了分析总结。

In this paper, an advanced measurement technique—particle image velocimetry was performed to obtain the instantaneous two-dimensional velocity distributions at some sections in the cyclone.

同时本文还使用计算流体力学软件—FLUENT提供的Reynolds应力模式对旋风分离器内的纯气相湍流场进行了数值模拟。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。