Log in to reduce ads and focus on learning.
広告
Last Updated
:2025/11/30
Schumann resonance
Noun
Japanese Meaning
地球の表面と電離層が形成する空洞内で、雷放電により発生し励起される、極低周波数(ELF)帯域の電磁波のスペクトルに現れる一連のピーク現象。
( plural )
Quizzes for review
Any of a set of spectrum peaks in the extremely low-frequency (ELF) portion of the Earth's electromagnetic field spectrum, generated and excited by lightning discharges in the cavity formed by the Earth's surface and the ionosphere.
音声機能が動作しない場合はこちらをご確認ください
See correct answer
Schumann resonance
After analyzing months of data, the team noticed subtle daily variations in the Schumann resonance that correlated with global lightning activity.
See correct answer
After analyzing months of data, the team noticed subtle daily variations in the Schumann resonance that correlated with global lightning activity.
音声機能が動作しない場合はこちらをご確認ください
English - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen the creation of new headword that may be duplicates
- Screen changing entry name
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1