System software part of the preparation of the use of C language SCM process, including the main program, dynamic scanning display routines and keyscan subroutine and so on.
系统软件部分运用C语言编制单片机程序，主要包括主程序、动态扫描显示子程序和按键扫描子程序等。
2
Then for each row from the fact table scan, the foreign key is also hashed and probed into the bit vector to determine whether the current fact table row is filtered out.
然后针对事实表扫描的每一行，外键也被散列并探测到位向量中，从而判断当前的事实表行是否被过滤掉了。
3
During the foreign key enforcement, the server USES the sequential scan, instead of foreign key index.