Development of such distributed feedback heterostructure lasers requires crystal growth on corrugated layers.研制这种分布反馈双异质结构激光器要求在皱折层上生长出单晶层.We produce metal plates and corrugated sheets in different thicknesses.我们生产不同厚度的金...
Where maple trees grow, the leaves are often several brilliant hues of red.在枫树生长的地方, 枫叶常常呈现出数种光彩夺目的红色.Thus, the registers , not fashion mavens, choose the hues of the season.这样一来, 决定当季流行色的就不再是时尚专家, 而是那些收款机.Agriculture oc...