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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace HelloWorld
{
/// <summary>
/// ?й?????
/// </summary>
public interface IChinaElectricity
{
/// <summary>
/// ???
/// </summary>
/// <returns></returns>
int Voltage();
}
/// <summary>
/// ???????
/// </summary>
public interface IJapanElectricity
{
/// <summary>
/// ???
/// </summary>
/// <returns></returns>
int Voltage();
}
/// <summary>
/// ????
/// </summary>
public interface IChinaLight
{
/// <summary>
/// ????
/// </summary>
/// <returns></returns>
string Light(int voltage);
}
}
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