non-cyclical
adjective specialized (also noncyclical) uk/ˌnɒnˈsɪk.lɪ.kəl/ /ˌnɒnˈsaɪ.klɪ.kəl/ us/ˌnɑːnˈsɪk.lɪ.kəl/ /ˌnɑːnˈsaɪ.klɪ.kəl/
business 非周期性的
not affected by patterns of economic change
non-cyclical businesses/companies/goods/markets/sectors
A few non-cyclical sectors, such as healthcare and education, are the only ones holding up in the economic downturn. 少数非周期性行业，如医疗保健和教育，是唯一在经济低迷时期坚挺的行业。
medical 非月经性的
not relating to or involving a woman's menstrual cycle (= the series of changes that take place in a woman's body every month)
Mastalgia can be divided into cyclical and non-cyclical breast pain.
Chronic pelvic pain is defined as noncyclical long-term pelvic pain that requires medical care. 慢性盆腔疼痛是指非月经性的长期盆腔疼痛，需要医疗护理。
- More examples
- Non-cyclical stocks are those whose performance is not closely related to the business cycle; they provide essential goods or services such as utilities and basic consumer necessities.
- Healthcare is a non-cyclical market, while sales of games and cinema tickets are likely to suffer during an economic downturn.
- Many of the companies issuing new debt are in non-cyclical industries, which are relatively unaffected by an economic downturn.
- The patient presented with pelvic pain and non-cyclical uterine bleeding.