In a set of propositions if an arbitrary proposition at least had a deducing relation with any other one, then this set of propositions was called a proposition system.
在一个命题集中，其中任意一个命题都至少与其它某一个命题有“推出”关系，就称这个命题集的图式为一个命题系。
Conclusion Deducing the mortality from malignant tumors, accidents, and disease of cardiovascular system is the key to lower overall mortality of women of childbearing age.
结论 部门协作，多措施干预，重点降低恶性肿瘤、意外伤害及心血管系统疾病等发生率，是降低育龄妇女死亡的关键。
Model deducing of the temperature system, research and analysis of PID arithmetic based on the model are given. Furthermore, I deduce the describing function of a series of non-linear integrator.
对温箱系统进行模型推导，并参照温箱模型通过仿真及理论分析对PID控制算法进行研究，且推导了一类非线性积分控制器的描述函数。
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