Tool-less design 采用无需工具安装设计
less-design 少量化设计
seam less design 无缝设计
less power loss design 低功耗设计
Design less hazardous chemical syntheses 尽量减少化学合成中的有毒原料
Due to its sensor-less design, the Micro Brushless Motor operates powerfully and efficiently without complicated sensor harnesses.
由于其传感器设计，微型无刷电机运行有力和有效地进行复杂的传感器线束。
However, these DBMSs were complex and required people with considerable technical knowledge to understand them, much less design and manage them.
然而，这些DBMSs很复杂，需要具有相当多技术知识的人来理解它们，更不用说设计和管理它们了。
Another fundamental difference is that document-oriented databases don't provide strict relationships between documents, which helps maintain their schema-less design.
另一个基本差异是面向文档的数据库不在文档之间规定严格的关系。这有助于维护它们的非模式化设计。
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