And the shapes vary to hexagon, tetragon acicular and odd different colors are available.形状有六角形, 四角形,长条针形和不规则形状,并有多种颜色可供选择.The weld metal showed very good toughness at low temperature, and dominant microstructure of acic...
Television broadcasters were warned to exercise caution over depicting scenes of violence.电视台受到警告，要求对暴力场面的描绘采取谨慎态度。He sets the atmosphere and shapes the scenes pleasingly.他把气氛和场面调动得轻松愉快。They were sickened by the scenes o...
Jets of compressed air gave the aircraft lateral and directional stability.压缩空气的喷吐使飞机的左右和前后都能保持稳定。Dish aerials are highly directional.碟形卫星天线的定向性非常强。The length of the fuselage was increased due to a degree of directional ...
He used aphid fecundity data to elucidate the theoretical effects of antibiosis on insect population dynamics.他利用蚜虫繁殖力资料说明了抗生作用对虫口动态的理论效应.Produce broad - spectrum antibiosis and medicine served as raw material, etc.生产广谱抗...