They’ve got a wonderful birch in the back garden.他们在后花园有一棵极好的桦树。The growing birch tree exfoliated excess bark.这正成长的桦树剥落了过剩的树皮.His voice, cold and perfectly enunciated, switched them like a birch branch.他的话口气冰冷,一字一板, 有如给了...
Queisser的错误结果,发现在激子共振频率附近表面激子极化激元存在异常色散的现象.Specially , an abnormal dispersion phenomena of surface eciton polaritons near the Exciton resonance frequeney is found.电离层是随机时变, 各向异性, 非均匀 、 色散的复杂介质.The ionosphere is a complex...