发射面 [核] emitting surface
- 粒子的发射面包括平面、圆柱面和球面;
The emission surface of particles may be a plane. a cylindrical surface or a spherical surface. - 介绍了用蒙特卡洛方法数值模拟由漫发射面和镜反射面组成的封闭腔中的辐射换热的一般过程;
Radiant heat transfer in real enclosure with diffuse emission and specular reflection surfaces has been studied by the Monte Carlo method. - 但上个月情况发生了变化,当美国航天局向月球恒久背阴面发射了一颗卫星,撞击产生的一缕尘埃里就有水分。
This changed last month, when NASA shot a satellite into a permanently shadowed region on the Moon’s surface, throwing a plume of material containing water up out of the shadow.
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