batch

noun

1. a collection of things or persons to be handled together

Synonym: clutch

2. all the loaves of bread baked at the same time

3. (often followed by `of') a large number or amount or extent

e.g. a batch of letters
a deal of trouble
a lot of money
he made a mint on the stock market
see the rest of the winners in our huge passel of photos
it must have cost plenty
a slew of journalists
a wad of money

Synonym: dealflockgood dealgreat dealhatfulheaplotmassmessmicklemintmountainmucklepasselpeckpileplentypotquite a littleraftsightslewspatestacktidy sumwad

verb

1. batch together
assemble or process as a batch

1. 一批；一组；一群
A batch of things or people is a group of things or people of the same kind, especially a group that is dealt with at the same time or is sent to a particular place at the same time.

e.g. ...the current batch of trainee priests...
目前的一批牧师学员
e.g. She brought a large batch of newspaper cuttings...
她带来了一大堆剪报。

1.

1. 一批：在返回多行时, 前面说的一条一条地获取就会增加网络的来回访问, 使用一批一批(Batch)地Fetch将极大地提高性能. 可以使用selectall_arrayref或fetchall_arrayref来一次取得所有的记录放在本地的内存中, 如下所示:

2. 批次：借着氧化、黄光微影、蚀刻、金属蒸镀等技巧,可以很容易地在硅芯片的同一面制作半导体组件. 1960年,磊晶(epitaxy)技术也由贝尔实验室发展出来了. 至此,半导体工业获得了可以批次(batch)生产的能力,终于站稳脚步,开始快速成长.

3. batch：block allocated transfer channel; 数据块分配的传送信道