1) variable boundary
时变边界
1.
The behavior of coupling between the translation and rotation of the rigid body with variable boundary;
时变边界刚体的平动与转动耦合特性
2.
Geometrical description of the variable boundary problem in mining engineering is presented;a finite elements method which is applied to analyze the problem is recommended;the evolution of the variable boundary of overlaying rock in Ehoubulake Mine is computed,and a few relations concerning the movement and failure of overlaying rock are generalized.
用时变边界力学理论讨论了煤矿覆岩失稳破坏过程。
3.
The dynamical behavior of a solid fuel rocket can be described more accurately if the rocket can be taken as a flexible body with variable boundary .
将固体燃料运载火箭视为时变边界的挠性体能更精确地刻划其动力学行为 :燃料的喷射伴随着质量和边界的变化 ,而边界的时变特性决定了火箭的质心位置和转动惯量张量时变特性及轨道与姿态运动强耦合作用 。
2) boundary clock
边界时钟
3) Boundary space
边界空间
1.
Urban central park is the unique way for modern men to entrust their behavior habit,taking the people s park in Mianyang City for example to discuss the treatment of boundary space of central park in open city.
以绵阳市人民公园为例,阐述了开放式城市中心公园边界空间的处理。
2.
The design of this zone affects not only the quality of roadside green space,but also the image of a spot,a block,or even the whole city,as this boundary space is connected with people\' s frequent use and contacts.
然而街旁绿地处于与多种城市用地相接的边界地带,街旁绿地边界空间恰恰是街旁绿地与不同城市用地相互衔接的地带,这一区域功能复杂,与人们的日常生活关系密切。