在激光器中,这种阻尼机理可以如下理解.In the laser this damping mechanism can be visualized as follows.此材料必须对该激光器的单色辐射敏感.The material must be sensitized for the monochromatic radiation of the laser.这就是激光器的极好的单色性的本源.This is the origin of th...
Exploration markers includes hot - water sedimentary rocks, gossan wall - rock alteration, and geophysical and geochemical anomalies.找矿标志主要有热水沉积岩 、 铁帽、围岩蚀变 、 地球物理异常、地球化学异常等.It belongs to the micrograined Au deposit of st...