You can select certain layers and hit Control+Alt+B to set your work area to the duration of those layers, or if no layers are selected it will reset the work area to the entire comp.

你还可以选择某一层，按Ctrl+Alt+B设定工作区域和这个层一样，如果没有选中层，则工作区域被设定为整个合成的长度。

youdao

So, I select the second column of B, and I take the first row of A, 0 and I find: 1 times 0: 0.

所以我用B的第二列和A的第一行，然后我算：1*0

youdao

Select the brush Tool (b) right click on the image and select the brush we just made.

选择画笔工具(乙)在图像上点击右键并选择我们刚刚刷了。

youdao

According to the ETF Finder at ETF Channel, RDS.B makes up 3.49% of the BLDRS Europe Select ADR Index Fund ETF ( NASD: ADRU) which is trading up by about 0.2% on the day Thursday.

FORBES: Royal Dutch Shell Shares Enter Overbought Territory

Clients can bypass the big names and hire consultancies such as Eden McCallum, a British firm that packages teams of experienced independent consultants, or Point B, an American firm that provides only a project manager, letting the client select the team.

ECONOMIST: Consulting bounces back