1.
Method of Space-time Conservation Element and Solution Element for Solving Convection-diffusion Equation
解对流-扩散方程的时空守恒元与解元法
2.
Numerical Simulation of Dam-break Flood Wave and Focusing Shock Wave in ESWL by Using Space-time Conservation Element and Solution Element Method;
应用时空守恒元和解元方法数值研究溃坝洪水波和ESWL中的聚焦冲击波
3.
Space-time symmetries and conserved quantity in classical physics;
经典物理学中的时空对称性和守恒量
4.
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。
5.
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。
6.
Conservation and Symplectic Properties of Continuous Finite Element Methods for Hamiltonian Systems;
哈密尔顿系统有限元的守恒性和辛性质
7.
Spectral Element Vanishing Viscosity for Conservation Laws on the Semi-infinite Interval;
无界区域中守恒律方程的谱元粘性消去法
8.
Adaptive Discontinuous Galerkin Methods for Hyperbolic Conservation Laws
自适应间断有限元方法求解双曲守恒律方程
9.
Angular momentum conservation is based on the isotropy of space.
角动量守恒是以空间的各向同性为基础的。
10.
Unified Symmetry for the Mechanical Systems in Phase Space;
相空间中力学系统的统一对称性与守恒量研究
11.
Symmetries and Conserved Quantities for Constrained Mechanical Systems in Event Space;
事件空间中约束力学系统的对称性与守恒量
12.
Noether s theorem of nonholonomic systems of variable mass in event space;
事件空间中变质量非完整系统的守恒律
13.
The bland sameness of space is at the root of both momentum conservation and angular-momentum conservation.
平淡无奇的空间一致性，既是动量守恒的根本，又是角动量守恒的根本。
14.
The element believed in ancient and medieval civilizations to fill all space above the sphere of the moon and to compose the stars and planets.
天体要素在古代和中古时代被认为是充满于月球空间并且是构成恒星和行星的元素
15.
When the friction force acts alone, the total mechanical energy is not conserved.
当只有摩擦力作用时，总机械能就不守恒。
16.
Real-time Energy-conserving Substructure Test of Buckling-Restrained Brace
防屈曲支撑的实时能量守恒子结构试验
17.
Study on Theory of Activity Float Conservation in CPM Network
CPM网络计划中工序机动时间守恒性探究
18.
It is important to realize that momentum conservation applies even to inelastic collisions, in which the kinetic energy is not conserved.
必须记住，动量守恒甚至对于非弹性碰撞也是成立的，尽管这时动能已不守恒。