History

Time	Change
2023-02-23 01:09:52+00:00	Created
2023-02-23 01:09:52+00:00	Associated with エネルギー保存
2023-02-23 01:10:06+00:00	Associated with エネルギー保存の法則
2023-02-23 01:10:06+00:00	Associated with エネルギー保存則