为研究对象 As Research Object ; As Research Objects ; As The Studied Object ; As Researchful Object 研究对象确定 Study Participants Identified The 研究对象与方法 Study Subjects and Methods ..
The wholeultrasonicvibrationsystem is taken as a researchful object, and the admittancecircle, aided by computer, is measuredaccording to the theory of force-electricity analogy.