The dissertation draws the analytic map about the multifactor indices and the stability diagram about zoning indices rank of setting up the security coal pillar .
输出了多因素指数分析图和留设安全煤柱的区划指标等级稳定性图。
This paper presents the hardware, software design and structure diagram of the DSP chip which improves the system stability and reliability.
文中给出系统硬件、软件设计结构和原理图，改善了原有光电测速精度，提高了系统工作稳定性和可靠性。
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