如何以及何时使用缓存并不总是显而易见的。
It's not always obvious how or when to use caches. Some of the design tensions are.
了解如何以及何时使用程序原语和详细程度。
Understand how and when to use procedural primitives and level of detail.
还将学习如何以及何时使用filemon和fileplace工具。
You will also learn how and when to use the filemon and fileplace tools.
越野培训学校资源：介绍和解释如何以及何时使用清洁用品及化学品和他们的安全使用。
Dirt School Training Resource: Introduction and explanation of how and when to use cleaning supplies and chemicals and their safe use. 3.
他们可以与项目团队合作，以评估和了解需求，然后花时间对服务进行搜索、了解和分析，并为团队提供指导，告知如何以及何时使用这些服务。
They can work with the project teams to assess and understand needs, and then expedite the search, understanding, and analysis of services and guide teams in how and when to use them.
知道如何以及何时使用奥里安娜，星光大道能力-与战略格局的结合-也不能否认的作战区域整个地区或支持作为力量倍增器的主要盟友和行为。
Knowing how and when to use Orianna? Aos abilities - combined with strategic setup - can deny entire areas of a combat zone or support a key ally and act as a force multiplier.
不过，和任意可重用资产一样，只有在给出了说明何时、为何以及如何使用模式的上下文和方法时，才可以加以采用。
However, as with any type of reusable assets, adoption is possible only if a context and method are given on when, why, and how to use the patterns.
不过，和任意可重用资产一样，只有在给出了说明何时、为何以及如何使用模式的上下文和方法时，才可以加以采用。
However, as with any type of reusable assets, adoption is possible only if a context and method are given on when, why, and how to use the patterns.
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