Activity-based costing(ABC)is an important concept in Management Accounting, and the same is true with input-output analysis in Statistics.

正如作业成本是管理会计学中的重要概念，投入产出分析也是统计学中的重要概念。

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ROM in the computer equipped with a basic Input/Output System (BIOS).

ROM 中装有电脑的基本输入输出系统（BIOS）。

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The software needs to coordinate user input, storage input/output and UI presentation.

软件需要等待用户输入，存储的输入输出和UI展现。

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So one of the things I want you to notice here is that testing and debugging are not the same thing. When we test, we compare an input output pair to a specification.

这里我想大家注意的一件事,就是测试和调试是不同的两件事情,我们测试的时候，我们把输入输出,跟程序的规格说明书对比下。

麻省理工公开课 - 计算机科学及编程导论课程节选

> Computer our input, memory control, arithmetic, and logic and output.

>，【记录的演示】计算我们的输入，内存控制，算法，逻辑和输出。

哈佛公开课 - 计算机科学课程节选

And given those types of input, will get back output.

然后鉴于输入类型返回结果输出。

麻省理工公开课 - 计算机科学及编程导论课程节选

The output is then relayed into a 1.4 mm thick plastic waveguide lens with input and output hologram structures on the surface which squeezes the light down the waveguide and then two dimensionally expands the image back into the user's eye, creating an image that is then mixed into the real world.

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With all of these biases, input-output modeling is usually a tool for pork-barrel projects.

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Second, the input-output model assumes fixed relationships over the time of the forecast horizon.

FORBES: Good News from Sequester: End to (Some) Bad Economic Analysis