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。
2
To hide information in speech signal, which is a special kind of audio signals, one must consider the characteristics of human audio system.
语音信号作为一种特殊的信息隐藏载体，在其中进行信息隐藏时必须充分考虑人类的听觉特性。
3
The cognitive study of language attempts at the language system and its operation and offers an explanation for the three basic humancharacteristics.