敏捷团队行动非常迅速，他们创建很小块的代码，工作周期有时甚至只有一周时间。
Agile teams work very quickly — sometimes in as little as a week — to create small chunks of code.
由于大多数磁盘设备扇区大小为512字节，因此第一步引导加载程序代码都很小。
Because most disk devices use a sector size of 512 bytes, the first-stage boot loader code must be very small.
迁移很简单，通常就像一个简单的托管练习，对应用系统的代码影响很小或没有影响。
The migration will be straightforward, usually a simple re-hosting exercise, with minimal or no impact on application code.
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