V2EX on-device

On-device

Definition / 定义

on-device(形容词/副词用法,常见于科技语境):指在本地设备上完成(如手机、电脑、可穿戴设备等),不依赖或尽量不依赖云端服务器处理(例如:本地推理、本地加密、本地语音识别)。也常暗含更低延迟、更强隐私、可离线等特点。

Pronunciation / 发音

/n dvas/(美)
/n dvas/(英)

Examples / 例句

The app does on-device translation, so it works offline.
这个应用在设备本地进行翻译,所以离线也能用。

On-device machine learning can improve privacy, but it may require careful optimization to run efficiently on limited hardware.
设备端机器学习可以提升隐私性,但可能需要精心优化,才能在性能受限的硬件上高效运行。

Etymology / 词源

on-device是现代科技英语中的组合表达,由介词短语“on(在……上/在……端)+ device(设备)”发展而来,强调计算或数据处理发生在用户设备本地而非“in the cloud(云端)”。连字符写法常用于作定语(如 on-device processing),也可不加连字符写作 on device(更偏短语用)。

Related Words / 相关词

In Literature & Notable Works / 文学与著名作品

该词更常见于技术写作而非传统文学作品,常出现在讨论移动端与边缘计算的书籍与资料中,例如:

  • TinyML(Pete Warden, Daniel Situnayake)讨论在微控制器与终端设备上进行机器学习(常涉及 on-device 概念)。
  • Designing Machine Learning Systems(Chip Huyen)涉及部署形态与端侧/云端权衡(相关章节常出现 on-device/edge 的表述)。
  • Apple Core ML 与 Google TensorFlow Lite 等官方文档与白皮书频繁使用 on-device 描述端侧推理与隐私策略。
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