Only by setting up scientific systems can the accounting assignment system play its positive role.
只有建立一套科学完善的制度，才能更好地发挥其积极作用。
The positive real control problem for the linear systems is considered in this paper.
目的研究和解决离散型线性时不变广义系统的正实控制问题。
The positive real control problem for the linear systems is considered in this paper.
目的研究和解决离散型线性时不变广义系统的正实控制问题。
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