One plate is positive, the other negative.

一板为正极，另一板为负极。

youdao

One carbon-coated plate, or electrode, is positive, and the other is negative.

一块碳涂层板或电极为正，另一块为负。

youdao

Because Germany sunshine battery materials can't be absolutely pure, and positive plate metal, lead antimony alloy with the grid frame itself constitutes a battery pack.

由于德国阳光蓄电池材料不可能绝对的纯，且正极板与栅架金属(铅锑合金)本身也构成电池组。

youdao

The President believes -- I think clearly, and as I've restated here -- that banks have an obligation to take responsibility for what was caused for their role in that, and to step up to the plate now and be part of positive economic reform and positive economic recovery.

WHITEHOUSE: Press Briefing

Only when a positive employment trend has been sustained enough to improve the lending environment will most banks step up to the plate with higher rates on savings accounts.

FORBES: The Meaning of Sub-8 Percent Unemployment