A final technical change involves the automation of infrastructure tests (either at unit, integration or system level) which provides a safety net for developers to contribute changes to ops.

最新的技术变革包括自动化基础设施测试(无论是单元测试、集成测试或系统级测试)，给开发人员提供了一张“安全网”，以便放心的对运维进行变更。

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The momentum of the cluster as a whole would not change if there are no external forces on the system, 0 if the net sum, the total external force, is zero.

星云的动量,作为整体是不变的,若无外力作用于系统，如果外力总和为。

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If the system is connected to real data, it will change the graphics automatically, namely, print the color of the net, analyse which part is electriferous, alert of loads.

系统可以通过数据库接口和实时数据建立连接，自动对实时数据的变化作出反应，如：网络着色、带电分析、负荷报警等功能。

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Once the gases are mixed, there's not going to be any further net change in the system.

一旦气体混合,这个系统就不会发生任何净的变化。

麻省理工公开课 - 热力学与动力学课程节选

Henry Pryor from HousingExpert.net said the plan could be the most controversial change to the planning system since the War though a "potential solution to the acute housing shortage we have at present".

BBC: Property planning rules to soften