欠产的英文：
shortfall in output

shortfall是什么意思：
n. 差额；缺少

There will be a shortfall in wheat supplies this year.
今年的小麦供应会有一定数量的短缺。

The Cause of Shortfall in Product Differential Management of Tourism Enterprises and Its Countermeasures
旅游企业产品差异化经营不足及对策研究

The government has refused to make up a ￡30,000 shortfall in funding.
政府拒不补上30,000英镑的资金缺口。

The results of a growing number of studies suggest that even a modest vitamin shortfall can be harmful to your health;although proof of the benefits of multivitamins is still far from certain,the few dollars you spend on them is probably a good investment.
越来越多的研究结果表示，哪怕轻微的维他命缺乏也会对身体不利；尽管多吃维生素是否有利于身体还没有被确凿的证据证明，但是花几个美元来购买也许是对身体不错的投资。

Red cells are the most frequently transfused component of blood-tallying more than 12 million units a year-and the one that faces periodic shortfalls
红细胞是输血中最常用到的血液成分，算起来每年要1200万个单位的用量，也是会出现阶段性短缺的物质。

output是什么意思：
n. 产量；输出功率；输出
v. 输出（信息、结果等）

As a result daily output has doubled.
结果日产量翻了一番。

That is the information outputed from the computer .
这是计算机提供的的信息。

output file collation control
输出文件核对控制

The output increases progressively with years.
产量与年递增。

Using the output messages to troubleshoot.
利用输出消息来排除故障。