詞語：psec
psec的解釋
psecabbr. 微微秒（picosecond）
psec的意思
Psec 壓力;微微秒;PSEC PacketSwitchingExchange 數據分組切換交換機;PSEC Picosecond 微微秒，皮秒;
psec的參考例句
1.Objective To explore the surgical treatment of primary small-cell esophageal carcinoma(PSEC). 目的探討原發性食管小細胞癌的外科治療方法。
2.Methods We retrospectively analyzed the clinical data of 73 patients with PSEC who received surgical treatment in our hospital from 1984 to 200
3. 方法回顧性分析了1984~2003年在我院接受手術治療的73例食管小細胞癌患者的臨床資料。
3.Conclusions PSEC is a rare malignant tumor with poor prognosis. Surgical resection is the main method for patients in stage Ⅰ or Ⅱ, and postoperative chemotherapy seems to be helpful. 結論原發性食管小細胞癌預後極差，外科手術是治療Ⅰ、Ⅱ期病例的主要治療手段，術後化療可提高療效；