查询词典 transient

Consequently, N does not affect absolute stability or the number or nature of the transient modes.

因此，N不会影响绝对稳定性以及瞬态特性的模式和模式个数。

The contributions of mean flow absolute vorticity advection〓term at the low level to the negative vorticity were more than that of the transient disturbances over the most part of South China and the subtropical western Pacific in the two years.

在华南大部和副热带西太平洋，这两年低层平均流绝对涡度平流〓对负涡度的贡献大于瞬变扰动。

The dynamic meshing technique was adopted to realize the 3-D transient numerical simulation of vehicle overtaking process in order to study the influence of relative velocity and absolute velocity on the aerodynamic characteristics of the overtaking and overtaken vehicles during the overtaking process.

为了研究超车过程中相对车速和绝对车速对汽车气动特性的影响，采用动网格技术实现了超车过程的三维瞬态数值模拟。

Evidence of a transient cyclotron absorption line was observed in EXO2030+375 for the first time.

本文作者首次发现了EXO 2030+375的回旋吸收线迹象。

To the later, this dissertation has been done transient dynamic analysis, calculated the stress intensity factors changing with the damp of asphalt pavement, the cycle of load action and the parameters of pavement structure.

应力强度因子最大值随荷载作用周期的变化呈倒"S"状变化，在高频和低频荷载作用时，逼近静载作用时的应力强度因子值，在一定的频率出现最大值和最小值，但应力强度因子的变化幅度不大。

By analyzing, the fault transient component of third harmonic voltage at neutral is approximately equal to that at terminal. Choosing their sum and difference as the action and restrai nt signal respectively, the protection detects the ground fault by comparing the spectrum energy of action and restraint signals.

该保护方案根据单相接地故障后机端和中性点 3次谐波电压的故障暂态分量近似相同的特点，把两个故障分量的相量和与相量差分别作为保护动作信号及制动信号，通过比较数据窗内相应信号的谱能量检测定子单相接地故障。

A mathematics model of comprehensive security control is formed by taking the total cost of control actions as the objective function and taking inequalities of hyperplanes as transient stability restrictions, and a optimization strategy called "the active restriction relaxation approach" is proposed which can classifies the contingency sets into two subsets.

以综合控制总成本为目标函数，以超平面形式的不等式为暂态稳定约束，该方法把安全性综合控制问题归结成了一个最优化问题。

Tooby and Cosmides proposed some rules about functional analysis:①functional analysis should be expressed in adaptationist terms,②a set of phenotypic properties is not an adaptation if it is transient, varying from individual to individual,③adaptations should be distinguished from their expression (which may vary from context to context),④a set of phenotypic properties is not an adaptation if it was absent in the environment of evolutionary adaptedness,⑤a set of phenotypic properties is not an adaptation if it did not solve an adaptive problem in the environment of evolutionary adaptedness.

图比和考斯米戴丝提出了功能分析的原则：①功能分析应该用适应的术语来表达；②一系列表现型的特点如果是暂时的，在不同的个体身上发生变化，它并非是一种适应；③适应应该与它们的表现（在不同的情景中可能发生变化）区分开；④一系列表现型的特点如果在进化适应性环境中不存在，则不是一种适应；⑤一系列表现型的特点如果不能解决进化适应性环境中的一种适应性的问题，也不是一种适应。

It is assumed that it is adiabatic compression during start-up process before the atmophere pressure in flow passage rise to relief pressure, the thermodynamic equation, momentum equation and rigid water hammer theroy have been applied for the analysis and calculation the variation law of air during this transient process.

假设流道内气体未达虹吸驼峰顶处真空破坏阀排气压力前的起动过渡过程处于绝热压缩状态，运用能量方程结合动量方程和刚性水击理论，计算分析出了流道中的气体压力在起动过渡过程中的变化规律。

The control of the aging condition, the transient liquid- solid separation of aging slurries, and the analysis of the particle size distribution of CTA and the micro concentration determination of the impurity 4- CBA.

粗对苯二甲酸的高温熟化是一个复杂过程，动力学实验研究的难点在于3个方面，即反应条件的控制，熟化浆料在高温高压下的液固瞬间分离取样与样品的分析测试。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。