By chemically extracting nickel form the ash, they produced 100 pounds of nickel per acre of land at a total cost per pound slightly above that of current mining.

通过化学方法从灰烬中提取镍，他们每英亩土地生产了100磅镍，每磅的总成本略高于目前的采矿成本。

youdao

Multiply the cost per iteration by 15.

用单个重复的成本乘以15。

youdao

The average patient cost per transfer was US$ 14.03.

患者每次转院的平均成本为14.03美元。

youdao

"And so he then went back and worked on technology adaptation and designed very low-cost, small affordable solar panels with fitted bulbs, maybe one or two bulbs per household, made sure that the bulbs could be moved from room to room, depending where people wanted the light,".

VOA: standard.2009.12.18

The cost per part to increase the safety of the Pinto, they calculated at $11.00 per part.

能增加平托安全性的隔板，每块成本是11美元。

耶鲁公开课 - 公正课程节选

Like when we went to go see Wicked, we did it on the lottery and it cost us $26 or so per ticket

比如说我们去看《魔法坏女巫》，我们被抽中了，每张票大概只花了26美元，

实惠的歌舞剧 - SpeakingMax英语口语达人

The 28% increase in cost per train kilometer was easily offset by the 78% increase in revenues.

FORBES: On the Right Track

Given those challenges and costs, it is therefore necessary to drive the cost per kilowatt-hour down.

FORBES: Connect

But the cost per available seat mile excluding fuel (CASMex) was up just 1%.

FORBES: Alaska Air Soars to New Financial Heights