a transparent plastic used as a substitute for glass

the properties of plastic lens applied in 3d virtual displays are studied and a polymethyl methacrylate (pmma) optical system for glasses-type virtual displays is presented.

研究了塑料透镜在3d虚拟显示头盔光学系统中的应用，设计了适用于眼镜式虚拟微显示器的全塑料（聚甲基丙烯酸甲脂-pmma）光学系统。

polymethyl methacrylate shows a good mechanical strength, tensile strength and hardness and is easy to polish.

pmma是一种脆的，具有高硬度高刚性和高强度的物质。

polymethyl methacrylate was used to stimulate squeezing. the results prove that polymethylmethacrylate is one of the hot plastic materials which has good optical …

用有机玻璃来模拟塑性加工的挤压工艺，证明有机玻璃是较为理想的模拟金属塑性大变形的光塑性材料。

as one of the important nonlinear optical polymer materials, polymethyl methacrylate (pmma) has attracted many researchers to explorer its application in nonlinear optics with weak light.

有机玻璃作为聚合物非线性光学材料中极其重要的一种，正在被越来越多的研究者关注。

polymethyl methacrylate was used to stimulate squeezing. the results prove that polymethylmethacrylate is one of the hot plastic materials which has good op…

用有机玻璃来模拟塑性加工的挤压工艺，证明有机玻璃是较为理想的模拟金属塑性大变形的光塑性材料。

polymethyl methacrylate is the most frequently used denture base material in clinic.

聚甲基丙烯酸甲酯是临床上最常用的义齿基托材料。

polymethyl methacrylate has been widely used in the wind shield of aircraft because of its excellent transparency and strength.

有机玻璃材料由于具有较好的透光性和足够的结构强度而广泛应用于飞机座舱盖、风挡等结构中。