random sequential access

基本解释

You'll even examine some file system attributes, such as sequential and random access, which can affect performance.
甚至还将研究一些可能影响性能的文件系统属性，比如顺序访问和随机访问。
It allows you to use low-level routines, high-level ISAM routines, or the ODBC layer for high-speed random or sequential data access.
它允许你使用低水平程序，高水平ISAM 程序，或者用于高速随机或者连续数据访问的ODBC层。
Asynchronous I/O works well for both sequential and random-access devices, and it fits better into some kinds of application architectures.
异步I/O既适合于连续设备，也能胜任随机访问设备，它非常适合于某些应用架构。