Dependance of green absorption coefficients on growth atmosphere and source rod concentration has been symmetrically investigated.
系统研究了绿光吸收系数于生长气氛和源棒浓度的依赖关系。
Dependance of green absorption coefficients on growth atmosphere and source rod concentration has been symmetrically investigated.
系统研究了绿光吸收系数于生长气氛和源棒浓度的依赖关系。
Prurigo nodularis (PN) is a chronic pruritic dermatosis of unknown etiology, characterized by firm, symmetrically localized hyperkeratotic pruritic papules and nodules.
结节疹为病因未明的慢发疹皮肤病。其特点为突出于皮面的角化过度的丘疹、结节,剧烈,呈分布。
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