- 长期性 chángqīxìng long-term naturelong-term
- 生长期 shēngzhǎngqī growth periodthe developmental phase during which an organism or plant is actively growing
- 长期以来 chángqīyǐlái for a long time
- 长期共存 chángqīgòngcún long-term coexistence
- 长期饭票 chángqīfànpiào meal ticket(fig.) guarantee of financial support for the rest of one's life