本发明实施例可以避免只在JAD文件中存在签名属性引起的安全机制不完善的问题，增强保护力度。
The embodiment of the invention can avoid the problem of imperfect security mechanism because the signature attribute only exists in the JAD file, thus reinforcing protection.
世界上的一些农村仍遭受着很多问题，如糟糕的道路条件，破旧的厕所，肮脏的环境，以及发展不完善的公共基础服务等。
Some villages in the world still suffer from problems such as poor road conditions, shabby toilets, dirty environment, and undeveloped basic public services.
无论多么不完善，美国的传统始终忠实于建国者的意图，为他们最初实验所提出的问题提供了一长串肯定答案。
However imperfectly, the American tradition has remained true to the intention of the founders, providing a long string of affirmative answers to their original experimental question.
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