4) Permanent drainage system
永久抽放系统
5) permanent
[英]['pɜ:mənənt] [美]['pɝmənənt]
永久
1.
The Inspection of the Complications in the Patients Implanted Cardiac Permanent Pacemakers and the Resolving Methods;
250例永久心脏起搏器置入术后并发症及处理
2.
From the Transitional to Permanent:Thinking about Outside-classroom of Educational Buildings in Post Earthquake Reconstruction
从“过渡”到“永久”——教育建筑灾后重建“教室外”的思考
3.
Objective Glass inomer is used to line between the side walls of the cavity and the permanent silver restoration, thus eliminating the possibility of bacteria penetrating the space between enamel and restorative material to prevent the possible secondary decay.
目的 永久性充填后牙体与充填物之间的微缝隙 ,防止渗漏 ,减少继发性龋病的发生。
6) permanence
[英]['pɜ:mənəns] [美]['pɝmənəns]
永久持久
1.
Using the comparion theorem of difference equation, persistence theorem of discrete semi-dynamical system and stability of monotonous operator, we gain the boundary, uniform persistence and permanence of the system.
应用差分方程的比较原理 ,离散半动力系统的持久性定理以及单调算子的三分稳定性 ,获得系统的有界性 ,一致持久性 ,永久持久性 。
2.
Using the theorem on discrete semi-dynamicl system and the stability results on monotonous and continuous operator,we obtained the sufficent conditions for uniform boundness,strong and weak persistence and permanence of a discrete system with age-structure subdivided into young and adult population approximately.
应用差分方程的比较原理、离散半动力系统的持久性定理和单调连续算子的三分稳定性获得了一类捕食者具有年龄结构 ,即将捕食者近似地分为幼年和成年种群的离散捕食系统一致有界、弱持久、强持久和永久持久的一组充分条件 。
补充资料：放弃
丢掉（原有的权利、主张、意见等）：～阵地ㄧ工作离不开，他只好～了这次进修的机会。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条