Methods: Using convenient sampling, 51 stroke patients and their primary caregiver according to the selection criteria in the Fourth Hospital of Hebei Medical University and the second Hospital of Hebei Medical University.
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Using Convenient Sampling Device 使用方便取样装置
Method Using convenient sampling method and self-designed questionnaire to investigate the elderly patients' recognition and behaviors on the prevention of falls.
方法采用方便取样的方法，以自制调查表调查住院老年患者对预防跌倒的认识及行为状况。
This paper introduces a method for FIR digital filter design. To compute and plot by using the frequency-sampling method and MATLAB makes the design of an FIR digital filter convenient.
介绍了FIR数字滤波器的设计，采用频率采样法，运用MATLAB完成设计中的计算和图形绘制，使其变得简单、快捷。
Sampling pedestal and crust adopt quality aviation aluminum, surface close hole processing and is convenient to sterilize and disinfect before using.
采样口和外壳采用优质航空铝制造，表面闭孔处理，便于使用前的灭菌消毒。
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