ABBREVIATION for Pharmaceutical Chemist 药物化学家; 药剂师
The external quantum efficiency of photon crystal(PHC) structured LED is calculated.
对光子晶体结构的外量子效率进行了计算。
PURPOSE to study the diagnosis and treatment of pedunculated hepatocellular carcinoma (PHC).
目的研究带蒂肝细胞癌(phc)的诊断与治疗。
PHC pipe pile plank in end is usually produced by cutting steel plank or forging, and then machining.
PH C管桩端板的通常生产方法是采用钢板切割或锻打成型,然后机加工而成。
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