With PaaS, organizations realize not only significant cost savings but also unique advantages such as automatic upgrades and zero maintenance.
使用PaaS，组织不仅节约了大量成本，而且还具备了诸如自动升级和零维护等独特优势。
The parallel blade damper is the ZD series damper. These dampers have been designed to provide long life, silent operation and require zero maintenance.
平行叶片风门是ZD系列风门。这些风门的设计使用寿命很长，运行安静，不需要进行维护。
Amazon SimpleDB (SDB) provides scalable, indexed, zero-maintenance storage, along with processing and querying for datasets.
AmazonSimpleDB (SDB)提供可伸缩、包含索引且无需维护的数据集存储，以及处理和查询功能。
Amazon SimpleDB (SDB) provides scalable, indexed, zero-maintenance storage, along with processing and querying for datasets.
AmazonSimpleDB (SDB)提供可伸缩、包含索引且无需维护的数据集存储，以及处理和查询功能。
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