To build fully automated systems that analyze the information contained in face images, robust and efficient face detection algorithms are essentially required.

为了构造自动处理人脸图像的信息系统，首先需要鲁棒、有效的人脸检测算法。

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The computation of function limit is essentially required in higher mathematics education. This paper sums up a lot of common skills and methods of computing function limit.

函数极限的计算是高等数学教学的基本要求，本文归纳了函数极限计算的一些常见方法与技巧。

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At first, the logic behind this sounds reasonable: If you change this data element from optional to required, you essentially duplicate error processing that occurs elsewhere in the system.

首先，整个过程背后的逻辑是合理的：如果您将这项数据元素从可选改为必需，那么您基本上就是复制了系统中其他地方所使用的错误处理过程。

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He explains that an MBA is essentially required for careers in investment banking and strategy consulting and helpful for those in large corporations.

FORBES: Venture Capitalist Mark Suster On Getting An MBA

While prior governance and risk control (GRC) systems for IT were essentially large spreadsheets that required a good deal of manual entry, Brinqa actively listens to machine data and other low-level outputs from IT systems, then lets users assign and customize risk indicators for their particular organization.

FORBES: Elevating the IT Risk Management Conversation to the Boardroom

By making the power of the national government essentially unlimited, the logic required to sustain the ACA would squeeze the life from the constitutional framework of federalism, a cornerstone of the Constitution.

FORBES: ObamaCare and the Constitution Are Contradictory: One Must Fall