Objective Inquiring into human intestinal parasites infection status and distributive characteristics on the South Qinghai Plateau so that to provide basic data for parasitic diseases control.

目的探讨青南高原人体肠道寄生虫感染状况及分布特征，为寄生虫病防治提供依据。

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Based on an analysis of the composition of drilling rig, characteristics of drilling process, and human features, a reliability model of man-machine control system for drilling process is established.

在全面分析钻井机械的组成、钻进过程的特点和人的特性的基础上，建立钻机钻进过程人机系统可靠性模型。

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Since a long time, in order to implement the process control of flotation, almost all the factories depend on human observation to obtain physical characteristics of bubble surface.

长期以来，选矿厂主要依靠工人观察浮选槽表面泡沫的物理特征，来完成浮选过程的控制。

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