Transmission of schistosomiasis has direct or indirect relation with geographic environment, constituting a cut-in of application of geo-informatics to this field.
血吸虫病的流行传播与地理环境要素有着直接或间接的关系，构成地球信息技术在该领域应用的切入点。
Direct current plasma atomic emission spectrometry is introduced and its application in the analysis field is reviewed in this paper.
介绍了直流等离子体原子发射光谱测量法，评述了它在分析领域中的应用。
The application of nonlinear PID method, which is a latest achievement in the field of control technology, in high voltage direct current (HVDC) modulation controller is studied.
对控制领域的新成果——非线性PID方法应用于直流输电调制控制器做了较为系统的研究。
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