The walls of the bathrooms are finished in waterproof resin which provide a singularsurface that is both luminous and very easy to maintain.
浴室的墙面采用防水白树脂材料，使得墙面容易维护，并有发光的效果。
2
Several properties of the weak discontinuity across an elastic-plastic boundary in plane wave propagation have been investigated by using the theory of singularsurface.
本文用奇异面理论研究了弹塑性平面波传播中弹塑性边界间断的几个性质。
3
For a class of linear singular time-delay systems with uncertainties, we bring forward a new method to design a switching surface.