The other type is the structually improved multipole magnetic field of which the ring permanent magnets are introduced to simplify the magnetic circuit.
采用环形永久磁体改进设计了考夫曼离子源的多极磁场,简化了磁路结构。
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
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
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。
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 。
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 。
Actiones perpetuae
永久诉讼，永久诉权
not permanent; not lasting.
非永久的，不持久的。
everlasting fame, glory
永久的声誉、 光荣
a durable peace, friendship, settlement
持久的和平、 永恒的友谊、 永久的解决
permanent secretary to the president; permanent address; literature of permanent value.
总统的永久秘书；永久地址；具有永久价值的文学作品。
Permanent Total Loss of Sight of both Eyes
永久完全丧失双眼视力
quick-access form of permanent file
永久文件快速存取形式
Columax permanent magnet
科鲁马克斯永久磁铁
permanent-magnet stepping motor
永久磁铁步级电动机
Glen will leave Korea for good.
格伦将永久离开韩国
purchase in perpetuity
购买永久持有权年数
semipermanent floating oil boom
半永久性的浮动栏油栅
serious permanent incapacity
永久严重丧失工作能力
permanent partial incapacity
永久丧失部分工作能力
permanent magnet moving-coil type ammeter
永久磁铁动圈式安培计
semipermanent electronic storage
半永久性电子式存储器
permanent magnet moving-coil type voltmeter
永久磁铁动圈式伏特计
"It's called evergreen. It's always like that."
“这花叫‘万年青’，永久这样!”