In this paper, we focus on two different perspectives to improve ETL tool, a reduce the data set which ETL process deals with, b improve performance of ETL process per time unit.

本文从减少ETL过程处理数据集规模和提高单位时间内etl过程数据处理能力两个角度入手对etl工具进行改进。

youdao

The other way to think about it is divergence is the source rate, it is the amount of fluid that is being inserted into the system, that is being pumped into the system per unit time per unit area.

另外一个理解方法是，散度是源头的“冒出率”，它是流体往系统输入的量，也就是单位时间内，单位面积新冒出的流体。

youdao

An excellent metric for volatility is gross change per unit time, with the overall assessment being the trend over time for this metric.

易变率的一个杰出的量度是单位时间的总变更，以及该量度随着时间的趋势的整体评估。

youdao

Even though they can print one book at a time, it can be expensive per unit, more expensive than hard copy printers.

FORBES: Publishing Options for Your Book

Genesis Energy reported third quarter earnings per unit, excluding a one-time tax benefit, of 29 cents on November 6, matching the Zacks Consensus Estimate but beating the year-ago earnings by 7%.

FORBES: Get A Steady Flow Of Income From This Oil MLP That's Raised Its Dividend 29 Times In A Row

At the same time, my one person plan had the highest per unit cost.

FORBES: Another Perspective on the Shifting 401(k) Landscape: David Witz of Fiduciary Risk Assessment LLC (March 20,2008)