Dependance of green absorption coefficients on growth atmosphere and source rod concentration has been symmetrically investigated.
系统地研究了绿光吸收系数于生长气氛和源棒浓度依赖关系。
Dependance of green absorption coefficients on growth atmosphere and source rod concentration has been symmetrically investigated.
系统地研究了绿光吸收系数于生长气氛和源棒浓度依赖关系。
Prurigo nodularis (PN) is a chronic pruritic dermatosis of unknown etiology, characterized by firm, symmetrically localized hyperkeratotic pruritic papules and nodules.
结节性痒疹为病因未明慢性瘙痒性发疹性皮肤病。其特点为突出于皮面角化过度丘疹、结节,剧烈瘙痒,呈称性分布。
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