But the Alvin won't increase its maximum depth until the second stage, optimistically scheduled for 2015.
但是，“阿尔文”号预计在第二阶段才扩展最大深度，乐观估计是在2015年完成。
2
At one stage an unprotected person at the main gate would have received the maximum allowable yearly dose for a nuclear-industry worker in a matter of hours.
Sessions can in any practical format - coding dojos, katas, games, challenges, puzzles, stage pairing to achieve maximum attendee participation - as long as they involve live coding.