在扫描电镜中发现一种微量叶片状未知矿物,确定该矿物为叶蜡石.A minor unknown mineral with leaf shape is determined as pyrophyllite using scanning electronic microscope.本文采用W型叶蜡石作为超高压高温合成金刚石的传压介质,分析了其主要化学成分与矿物相组成.W - pyrophyllite is used as pressure me...
许多画都是基于简单的几何图案。Many pictures have been based on simple geometric designs.蜘蛛网的几何形状the geometry of a spider's web建筑物的几面墙上有复杂的几何图案.The building has intricate geometrical designs on several of the walls....
再小的细节都逃不过她的眼睛。No detail was too small to escape her attention.这个小金球重0.25盎司。This little ball of gold weighs a quarter of an ounce.他们在小舢板上漂浮了3个小时后才被发现。They were spotted after three hours adrift in a dinghy....