beam area

基本解释

On the basis of the previous work, the authors make an estimation about power density within the beam covered area.
推导了无线电波传输路径上各点经纬度及高度坐标等参数，并在此基础上进行了波束覆盖区功率密度的估算。
Though properly design, a (311) sidewall appears in beam etching area , which will invade (111) sidewall. Then needed structure was attained.
通过合理的设计，使挠性梁腐蚀区域侧面上产生（311）面，通过控制所产生的（311）面对（111）面的侵削作用，获得了所需结构。
The invention relates to the concrete and pre-stress concrete beam with transition area, which provides a concrete structure of civil engineering.
带过渡区的混凝土及预应力混凝土梁，它涉及一种土木工程中的混凝土结构。
ip.com

She is working on focusing the transmitted beam into a much smaller area, so that less energy is lost along its way.
ECONOMIST: Archaeology
That means the beam produced is of higher quality than other lasers, is extremely straight (even by the exacting standards of a normal laser beam) and can thus be focused onto a small area.
ECONOMIST: Solar power from space