The encryption and digital signature solve the problem in integrity and confidentiality of active code. The application of decode-binding realizes the scalability in systematic encryption methods.
加密与数字签名解决了主动代码的完整性、机密性问题，这里使用解码绑定方式，实现了系统加密方法的可扩展。
For a cyclic code, it is difficult to find the set of it's covering polynomials. We have not had a systematic method to find it.
给定一个循环码，求取它的覆盖多项式集合目前尚无系统的方法。
It has been pointed out that the five-point method specified in the current code gives values with smallest errors, whereas markedly small systematic errors are found in relation to all other methods.
指出目前规范中五点法误差最小，其它方法对床沙质均有较大系统误差。
Then the author did ID identifier code experiment to distinguish different RF modules, and also wirelessly monitored the systematic temperature.
进行了可以区分不同射频模块的ID标识符编码实验，并无线监测了系统环境温度。
In the Spring and Autumn and Warring States periods (770-221 BC), written law was promulgated in China, and a systematic written code of laws appeared.
春秋战国时期(公元前770年-公元前221年)，中国开始制定成文法，出现了自成体系的成文法典。
In the Spring and Autumn and Warring States periods (770-221 BC), written law was promulgated in China, and a systematic written code of laws appeared.
春秋战国时期(公元前770年-公元前221年)，中国开始制定成文法，出现了自成体系的成文法典。
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