attempting to deduce the law of conservation of mechanical energy from the invariane property in time translation,the law of mementum from the invariance property in space translation and the law of conservation of argular momentum from the invariance property in space rotation.
本文在宏观经典力学范畴内，利用对称性原理，从时间平移不变性推出机械能守恒定律，从空间平移不变性推出动量守恒定律，从空间旋转不变性推出角动量守恒定律。
Study on Bolt Debonding Monitoring of Composite Joint Based on Time-reversal Method;
基于时间反转理论的复合材料螺钉连接失效监测研究
Focusing on the problem that the bit error rate performance of the space-time block codes decreases in frequency-selective fading channels,a time-reversal coordinate interleaved orthogonal coding design(TR-CIOD) is proposed.
针对空时分组码在频率选择性衰落信道中误码率性能损失严重的问题,提出了一种时间反转坐标交织正交码设计方案(TR-CIOD)。
Time-reversal invariance predicts equality of transition probabilities for a reaction and its inverse.
时间反演不变性预言，一个反应和它的逆反应，其跃迁几率相等。
Time reversal invariance is a very useful symmetry in subatomic physics.
时间反演不变性在亚原子物理中仍然是一种很有用的对称性。
Time reversal T is not unitary.
时间反演T不是幺正的。
the invariance of time and space
时间和空间的不变性
Ischemic lesions on Magnetic Resonance Imaging and histological outcomes after different transient periods of focal ischemia in rabbits
不同时间兔短暂性局灶脑缺血MRI动态演变和病理组织学改变
Propagation Characteristics of Time-Reversed Electromagnetic Wave and Its Application
时间反演电磁波的传播特性及其应用
Time Reversal Symmetry and Discrete Rotation Symmetry in Magnetic Particles
磁性粒子的时间反演对称性和旋转对称性效应
KEY WORDS: time and space translation symmetry; time reversal symmetry; conservation law; symmetry breaking.
关键词：时间和空间平移对称性；时间反演对称性；守恒律；对称破缺。
Inversion of a Kind of Thermal Parameter with General Character by Using Delay-time Transform
利用走时变换反演一类集总特性的热学参数
Temporal Evolution of Diffusion Anisotropy in Human Ischemic Stroke
缺血性脑梗死扩散各向异性的时间演变规律
Time-series MODIS images-based retrieval and change analysis of suspended sediment concentration during flood period in Lake Poyang
基于时间序列MODIS影像的鄱阳湖丰水期悬浮泥沙浓度反演及变化
The fundamental equations of physics have a property which is referred to as time reversal symmetry
物理学的基本方程式里面有种被称为时间反演对称性的特性
Inverson of Circle: Into a circle, if the circle pass through inversion center O, it becomes a straight line.
圆的反演：反演成一圆。但当圆通过反演中心时变成一直线。
time dependent nuclear reaction
随时间而变的核反应
Large Time Behavior of the Solutions to the Models for Reactors with Periodic Flow Reversal;
流向变换反应器模型解的大时间性态的研究
Three Kinds of Ritual of Archery and Their Change in West Zhou Dynasty;
西周时期三类不同性质的射礼及其演变
Invariance under translation in time leads to conservation of energy.
在时间平移下的不变性导致能量守恒。
The R-Controllability of Linear Interval Descriptor Systems with Control Delay;
控制时滞线性时不变区间奇异系统的R-能控性
