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【单选题】
Choose the better version of the sentences that best improve the original sentences. In this paper, another equation of the critical inductance is proposed and it is equivalent to the classical equation, and it is the function of the inverse voltage transfer ratio.A.
This pap e r proposes a new equation of the critical inductance － the function of the inverse voltage transfer ratio, which is equivalent to the classical equation.
B.
In this paper, another equation of the critical inductance is proposed and it is equivalent to the classical equation, which is the function of the inverse voltage transfer ratio.
C.
This paper proposes another equation of the critical inductance , which is the function of the inverse voltage transfer ratio. It is equivalent to the classical equation
D.
In this paper, another equation of the critical inductance is proposed, which is the function of the inverse voltage transfer ratio and equivalent to the classical equation.
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