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n. 埃伦(可溶性显影剂粉末)
n. 活力;热忱;[法]锐气
E罗兰C
The General Lighthouse Authority (GLA) has turned on a radio station which broadcasts fine-tuned eLoran signals.
BBC: Navigational backup to aid ships in Dover straits
The report also lauds the land-based eLoran radio navigation system as a very worthy back-up technology.
BBC: UK 'over-reliant' on GPS signals, engineers warn
Ships fitted with eLoran receivers will now be able to use the backup radio signal to reach port.
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