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。
What surprised me was that this entire walk is fully hardware-driven -- no microcode involvement at all. The state machine reads the page directory entry, reads the page table entry, checks permissions, and writes back the Accessed and Dirty bits, all autonomously. Since it's hardware-driven, it runs in parallel with the microcode and needs its own memory bus arbitration -- the paging unit must share the bus with both data accesses from the microcode and prefetch requests from the instruction queue.。旺商聊官方下载对此有专业解读
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What if you create a truly unique routing profile that's wildly different from the common ones for which shortcuts were pre-calculated? The system is smart. If it detects that too many shortcuts (~50, for example) need on-the-fly recalculation and deviate significantly, it might determine that falling back to the original, comprehensive A* algorithm for the entire route would actually be faster than doing many small, heavily modified A* calculations.，这一点在爱思助手下载最新版本中也有详细论述
在移民政策方面，文件建議授權軍隊封鎖國界、取消學校和教堂等「保護區」、在各地工作場所掃蕩無證移民，以及增加拘留中心容量。
第三个动作，也是最重要却最容易被忽略的：「擦拭镜头」。