杠杆

zyy

2026-01-13 7ae67b73ec10f49d81ab6a00eb39f81fa919a576

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package com.nq.service;
 
import com.nq.enums.EStockType;
 
import java.math.BigDecimal;
 
public interface IRateServices {
 
    public BigDecimal currencyRate(EStockType fromStockType,EStockType tofromStockType);
 
}