[微软]technet与msdn

本文深入解析了微软TechNet与MSDN订阅服务的定位与区别,TechNet面向IT专业人士,提供基础设施产品的软件及技术支持;MSDN则为开发者设计,提供开发、测试和演示软件所需的技术资源与服务。

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我们搜索一个微软术语,有时定位到technet页面,有时定位到msdn页面。我直观的理解就是technet教人们如何使用微软产品,而msdn指导人们如何开发基于微软产品的软件。那么微软对它们具体定位是怎样的呢?我找到一个帖子,感觉说得蛮靠谱的,转载于此。作者是Kurt Shintaku,不知道是不是车碾surface RT的那位大哥。

原博客地址:http://kurtsh.com/2013/03/29/info-the-difference-between-technet-msdn-subscriptions

TechNet is squarely aimed at IT Professionals.  It provides:

  • the ability to download much of Microsoft’s software library along with Activation keys for a broad array of primarily INFRASTRUCTURE products. 
  • the ability to call Microsoft Professional Support for TWO incidents
  • access to 1 or more “collections” of Microsoft eLearning
  • priority support access to the TechNet Forums – a place to ask technical questions that are monitored by Support Engineers & Product MVPs

The software provided with TechNet Subscriptions is designed for hands-on IT Professionals to evaluate Microsoft software and plan deployments. The software provided in TechNet Subscriptions can be used for evaluation purposes only.  TechNet does not contain any development tools (such as Visual Studio or Expressions), nor does it contain any of our SDKs, platform tools, designer tools, or embedded systems products.  Here is a list of products that are available through TechNet: 
http://download.microsoft.com/download/C/7/8/C78DB720-88CB-455E-AA0E-A087CB332A23/TechNet_Product_List.xlsx

MSDN is designed for Developers.  The software provided with MSDN Subscriptions is for design, development, testing, and demonstration of software programs.   It has a lot of older technology as well compared to TechNet to assist developers with regression testing.    It provides:

  • the ability to download most of Microsoft’s software library along with Activation keys for the purposes of development, testing, demonstration.
  • no-charge access to cloud services like Team Foundation Service, Windows Azure,
  • access to 1 or more “collections” of Microsoft eLearning
  • the ability to call Microsoft Professional Support for TWO incidents or FOUR incidents depending on the subscription level
  • priority support access to the MSDN Forums – a place to ask technical questions that are monitored by Support Engineers & Product MVPs

Here’s a list of benefits of MSDN Subscriptions: http://msdn.microsoft.com/en-us/subscriptions/aa718661 
More info on MSDN subscriptions:  http://msdn.microsoft.com/en-us/subscriptions/buy.aspx

Both MSDN and TechNet subscriptions are licensed per user.

SOFTWARE: 
As far as software goes, there is a 3rd party comparison of the software that is available in each subscription here.  (I can’t guarantee it’s accuracy but it seems like it’s fairly accurate from a faraway glance) 
http://geekswithblogs.net/mtreadwell/archive/2011/08/19/146599.aspx

PRICING:

转载于:https://www.cnblogs.com/victor-ma/p/4142324.html

内容概要:该研究通过在黑龙江省某示范村进行24小时实地测试,比较了燃煤炉具自动/手动进料生物质炉具的污染物排放特征。结果显示,生物质炉具相比燃煤炉具显著降低了PM2.5、CO和SO2的排放(自动进料分别降低41.2%、54.3%、40.0%;手动进料降低35.3%、22.1%、20.0%),但NOx排放未降低甚至有所增加。研究还发现,经济性和便利性是影响生物质炉具推广的重要因素。该研究不仅提供了实际排放数据支持,还通过Python代码详细复现了排放特征比较、减排效果计算和结果可视化,进一步探讨了燃料性质、动态排放特征、碳平衡计算以及政策建议。 适合人群:从事环境科学研究的学者、政府环保部门工作人员、能源政策制定者、关注农村能源转型的社会人士。 使用场景及目标:①评估生物质炉具在农村地区的推广潜力;②为政策制定者提供科学依据,优化补贴政策;③帮助研究人员深入了解生物质炉具的排放特征和技术改进方向;④为企业研发更高效的生物质炉具提供参考。 其他说明:该研究通过大量数据分析和模拟,揭示了生物质炉具在实际应用中的优点和挑战,特别是NOx排放增加的问题。研究还提出了多项具体的技术改进方向和政策建议,如优化进料方式、提高热效率、建设本地颗粒厂等,为生物质炉具的广泛推广提供了可行路径。此外,研究还开发了一个智能政策建议生成系统,可以根据不同地区的特征定制化生成政策建议,为农村能源转型提供了有力支持。
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