>>569
>可変サイクルって本当かな？
https://www.safran-group.com/media/futuristic-engine-scaf-20190418　英語ページ
広義の可変サイクルよりは、可変バイパスと読むべき？
The engine should also have a variable cycle―in other words,
it should be able to adjust the ratio between the primary and secondary air flows―
and have an adjustable nozzle to make the aircraft easier to handle.