测试采用与标准电阻相比较的方法，消除了测试电流不稳定性对测量值的影响。
Four-segment connecting and standard resistance comparison methods are adopted to reduce the system error.
电阻率三维反演参数太多，将导致反演不稳定性和高度非唯一性等诸多方面的问题。
Many inverse parameters result in problems such as non-uniqueness and unstability in 3-d resistivity inversion.
本文采用两步隐式差分格式研究了自由边界载流等离子体柱的电阻螺旋模不稳定性。
In this paper we employ a two-step implicit difference scheme to study numerically THS resistive helical instability of current-carrying plasma column with free boundary.
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