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| signal; code; cue; marine code | |||
| badge (An indication that appears on the lock screen or a tile to inform the user of recent activity or updates, such as number of email messages received, since the PC was locked or the app was last viewed); beacon (A signal that tells your Xbox Live and Facebook friends that you want to play a particular game, and notifies you when friends are playing or want to play that game); signal (A notification of an event that triggers an activity) | |||
| sign | |||
| triangulation signal; trigonometrical beacon | |||
| traffic sign | |||
| signal device | |||
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| left plus right signal | |||
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| signals | |||
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Signals : 726 短语, 46 学科 |
| 一般 | 37 |
| 专利 | 3 |
| 人工智能 | 4 |
| 信息技术 | 82 |
| 光学（物理学分支） | 14 |
| 医疗的 | 17 |
| 卫生保健 | 2 |
| 地球科学 | 4 |
| 外贸 | 1 |
| 微电子学 | 21 |
| 技术 | 19 |
| 收音机 | 22 |
| 机械工程 | 5 |
| 核辐射 | 2 |
| 武器和枪械制造 | 1 |
| 汽车 | 1 |
| 法律 | 1 |
| 测量仪器 | 1 |
| 煤炭 | 2 |
| 照明（电影院除外） | 1 |
| 物理 | 7 |
| 环境 | 1 |
| 生命科学 | 3 |
| 生物学 | 3 |
| 电信 | 1 |
| 电力线路 | 11 |
| 电子产品 | 152 |
| 电报 | 12 |
| 电话 | 1 |
| 真空管 | 2 |
| 科学的 | 1 |
| 纺织工业 | 2 |
| 经济 | 2 |
| 编程 | 4 |
| 美国人 | 1 |
| 自动化设备 | 5 |
| 自动控制 | 4 |
| 自然科学 | 2 |
| 英国（用法，不是 BrE） | 2 |
| 营销 | 4 |
| 行业 | 1 |
| 计算 | 26 |
| 财政 | 3 |
| 运输 | 41 |
| 通讯 | 167 |
| 铁路术语 | 28 |