The design and calculation of arresting net are the difficult and focal point of this kind of project.

拦阻网主索的设计计算是此类工程的难点和重点。

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The understanding of covert intentions of discourse which lacks specific discussion in pragmatics is a difficult and focal point of discourse understanding.

话语隐性意图的理解是话语理解的难点和重点，语用学理论对此也缺乏具体讨论。

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Nursing procedure is the central part of the holistic nursing care. Nursing diagnostics is an important component as well as a difficult and focal point in the teaching of nursing diagnostics.

护理程序是整体护理工作中的核心构架，而护理诊断既是护理程序的重要组成部分，也是护理程序教学中的难点和重点。

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However, Glenn Johnson, who founded the truck convoy, believes it will be difficult for the Attleborough-based charity to continue as the lorries were the "focal point of public interest" and the organisation's "main source of income".

BBC: East Coast Truckers