if(length > h-length)
第十三条 纳税人按照一般计税方法计算缴纳增值税的，因销售折让、中止或者退回而退还给购买方的增值税税额，应当从当期的销项税额中扣减；因销售折让、中止或者退回而收回的增值税税额，应当从当期的进项税额中扣减。，这一点在快连下载安装中也有详细论述
，这一点在WPS下载最新地址中也有详细论述
Works with Regional Maps: Download only the countries you need. HH-Routing seamlessly calculates routes across the borders of your downloaded map files (as long as they are compatible, see limitations). Clusters that overlap a region's boundary are included within that region's data.，更多细节参见heLLoword翻译官方下载
（二）按照其他纳税人最近时期销售同类货物、服务、无形资产或者不动产的平均价格确定；