The volcanism have much stage, many times and interim characteristics, from bottom but up can be divided into three greatly stage 12 period time.

火山活动有多期、多次、多间歇的特点，自下而上可分为三大期12个期次。

youdao

At this stage, the filter should look like Figure 12.

在此阶段，该筛选器应该与图12所示类似。

youdao

The Oyster, which is at the concept stage at the moment, is designed to be deployed in water depths of 12 to 16 metres.

按照概念设计阶段的设想，“牡蛎”会被装在水下12米至16米间。

youdao

Warrington showed just two changes from the team that started the 25-16 final victory over Huddersfield on the same stage 12 months ago.

BBC: Leeds 6-30 Warrington

Australian Chris Atkinson continued his charge for the top 10 with success in stage 12 while Loeb increased his lead over Gronholm to 31 seconds.

BBC: SPORT | Motorsport | Rallying | Loeb in command in Germany Rally

At one stage there were 12 cards held by senior figures at the Conservative-run council.

BBC: Lord Hanningfield