1·So, if do not use acquiescent value, will add relevant judgement statement, the length of the program increases 60 possibly.
那么，如果不采用默认值，则将要增加相应的判断语句，程序的长度就可能增加60行。
2·The field had better want to use acquiescent value, unless those are automatic growth or advocate key external key.
字段最好都要采用默认值，除非那些自动增长型或主键 外键。
3·The time that need locks up when be being changed into other format file by acquiescent format through checking film file will measure resource the influence to this process.
通过测试电影文件由默认格式转换成其它格式文件时锁需要的时间来衡量资源对于该过程的影响。