We have the convention of music of writing this symbol indicating the beat-carrying unit of four so I'm writing a four underneath each of these.

我们有一个约定俗成的书写格式，来表示四拍一单元，所以我在每行这里的下面写上一个四。

youdao

youdao

A JDO transaction instance is the vehicle for carrying out a unit of work, according to the conventional definition of a transaction, against a persistence storage system (or database).

依据对交易的传统定义，一个JDO交易示例就是执行单元操作的载体，执行的基础是持久性存储系统(或者数据库)。

youdao

We have the convention of music of writing this symbol indicating the beat-carrying unit of four so I'm writing a four underneath each of these.

我们有一个约定俗成的书写格式,来表示四拍一单元,所以我在每行这里的下面写上一个四

耶鲁公开课 - 聆听音乐课程节选

In my day, everyone used the 25 percent of income yardstick for carrying a house or a rental unit.

FORBES: How To Play Housing's Recovery

Other reports noted that personnel were carrying babies from the Neonatal Intensive Care Unit (NICU) and children from the Pediatric Intensive Care Unit (PICU) down 9 flights of stairs to evacuate them from the building.

FORBES: UPDATED: NYU Hospital Without Power, Evacuation Underway, Bellvue Hospital With Only 2 Hours of Power Left

Such has been the function of the stop-and-frisk activities of the New York Police Department, originally under its famed Street Crimes Unit, which developed an uncanny expertise at identifying those likely to be carrying illegal weapons.

WSJ: Jenkins: Gun Control That Works