对特定页面的访问使用J2EE声明性和程序性安全来限制，以禁止对页面的非授权访问。
Access to specific pages is restricted with J2EE declarative and programmatic security to protect the pages from unauthorized access.
程序性词语，或曰释义性词语，是一种非图式普通策略词汇，具有词义量少、语境依赖程度高的特点；
Procedural or defining words and expressions, which are non-schematic, belong to a general strategic vocabulary.
结论：（）初步研究认为淡水白娼细胞在低温下的死亡可能属于非凋亡形式的程序性细胞死亡。
Conclusions: (1) The results indicate that cell death of the cell line from Colossoma brachypomum under cold-stress is likely to be a non-apoptotic program cell death.
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