Continuance or persistence in time.
持续，持久时间上的连续或持续
duration:Continuance or persistence in time.
"持续,持久:时间上的连续或持续."
How long does the study of a correspondence course last?
整个函授学习的时间要持续多久?
Permanence and Periodic Solutions of the Discrete Population Models;
离散时间种群模型的持久性及周期解
Continuing or lasting for an indefinitely long time.
长期的，长久的继续或保持无限长的时间的
M: Permanency is a mere idea, born of the action of time. Time again depends of memory.
持久只是个因时间流逝而生的观念。时间则取决于记忆。
Existing, persisting, or enduring for a limited time only;impermanent.
暂时的只存在、坚持或忍受一段有限的时间；非永久性的
I can scrape along on a reduced income for a short time, but not for ever.
短时间内，我可以靠减少的收入勉勉强强度日，但不能维持长久。
A lasting friendship ensued from our working together during war
战争时期我们曾在一起工作,这使我们之间建立了持久的友谊。
Agreement on a Timetable for the Negotiation of a Firm and Lasting Peace in Guatemala
关于危地马拉稳固持久和平的谈判时间表的协定
That it's taking me a long time to become the person I want to be.
想要成为你想成为的人，就得准备花长时间打持久战。
Effect of Tempering Time on Stress Rupture Properties and Microstructure Development of T91 Steels at 625(°C)
回火时间对T91钢625°C持久性能及组织演变的影响
Persistence and Stability in Two-Dimensional Nonlinear Delayed Dynamical System of Interspecific Interaction
种间作用的二维非线性时滞动力系统模型的持久性和稳定性
More year than I care to remember.
时间太久我记不清了。
I won't detain you.
我不会耽误你太久时间。
The delay won't be too long
起飞时间不会延迟太久，
How long is it going to take for me to get there?
到那里还需要多久时间
How long will you take to revise my ticket?
更改机票要多久时间?
