In information theory and communication theory, an ordered series of characters intended to convey information.

在信息论和通信理论中，用来传递信息的一种有序的字符系列。一套，一系列。

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And just this week, I ordered a series of new steps to help our small businesses grow and hire.

WHITEHOUSE: Weekly Address: It��s Time for Congress to Pass the Middle Class Tax Cut Extension | The White House

The doctors ordered a series of tests and scans, and kept her overnight.

NEWYORKER: Big Med

Hagel ordered a series of steps and reviews to increase officers' accountability for what happens under their commands, and to inspect workstations for objectionable materials, according to memos and documents obtained by the AP.

NPR: Military Sex Assault Reports Up, Changes Ordered