通过求解动力学方程，给出空气压膜阻尼效应对于光开关响应时间的影响。

According to solving the dynamic equation, the effect of the air squeeze film damping on the switching time is given.

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目的观察不同参数的竹红菌乙素-光动力学疗法（HB-PDT）对青紫蓝兔脉络膜毛细血管层的生物学效应以及对视网膜的非选择性损伤，为临床应用HB-PDT疗法治疗脉络膜新生血管（CNV）提供依据。

Objective To compare the biological effects of different treating parameters of HB-PDT on choroid and retina and to supply the basic study of HB-PDT in treating choroidal neovascularization (CNV).

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目的：研究叶绿素衍生物（CPD4 ）光动力学疗法（PDT）对人卵巢癌细胞、肝癌细胞、胆囊癌细胞的体外杀伤效应。

Objective: To study the efficacy of Chlorophyll derivative(CPD4) photodynamic therapy(PDT) against cells of human ovarian , liver and gallbladder cancers .

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