On the basis of analyzing the traits of pipeline transportation, this paper proposed the theory of twice allocation's duplicate two part system first.

本文在分析管道运输特点的基础上，首次提出二次分配复两部制理论。

youdao

A new option exists as part of the DB2 UDB installation to create two additional groups in the operating system, DB2USERS and DB2ADMNS.

作为DB 2 udb安装的一部分出现了一个新的选项，即在操作系统中创建两个新的组：db2users和DB2ADMNS。

youdao

At least two people are familiar with every part of the system.

至少有两个人熟悉系统的每一部分。

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There has been some talk about Bangladesh dropping down as part of a two-tier Test system and I favour that, but only with a top tier of nine.

BBC: Jonathan Agnew column

The first two First Class coaches also part, causing the automatic braking system to kick in.

BBC: Hatfield: The accident in detail

Mr. Azimi came to attention of U.S. investigators and intelligence agents roughly two years ago, when a powerful wiretapping system came online as part of efforts to disrupt Taliban financing networks.

WSJ: In Afghanistan, Prosecution of 'Malign Actors' Stalls