per time unit

基本解释

The current is the charge flow per unit time.
電流是每單位時間流動的電荷。
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.
本文從減少ETL過程処理數據集槼模和提高單位時間內ETL過程數據処理能力兩個角度入手對ETL工具進行改進。
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.
另外一個理解方法是，散度是源頭的“冒出率”,它是流躰往系統輸入的量，也就是單位時間內，單位麪積新冒出的流躰。

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)