The closed-ring system is proved to be steady.
闭环系统被证明是稳定的。
Closed elbow cuffs form almost a complete ring around the user's forearm.
袖口形成闭合肘几乎各地用户的前臂完成环。
After completion of loading, the PC of galley ring bridge walkway will constitute a half closed space, both beautiful and can have the effect of the rain.
待pC板铺装完成后，环形天桥走道将构成半关闭空间，既漂亮又能起到遮风挡雨的效果。
Height completely closed valve can be used in hot water taps, installing or removing the seat ring lug, the use of soft iron in the pipeline.
高度完全关闭闸阀可以用在热水龙头，或拆卸阀座环安装吊耳后，用在采用软铁块的管路中。
In the first chapter, we discuss the fully graded algebras over discrete valuation ring with an algebraically closed residue field of characteristic p.
第一章中，我们研究了剩余域是代数闭域的离散赋值环上的完全分次代数；
Harry hurried over to the door leading to the spiral staircase, but his hand had only just closed upon the iron ring of the door when he heard running footsteps on the other side.
哈利匆匆跑向旋转楼梯的门，但他刚握住铁门环，就听见门的另一边传来奔跑的脚步声。
The resin sand with high collapsibility is chosen to make the core of the near closed hollow ring on the basis of many technological experimentations through analysis of structure and process.
通过结构分析和工艺分析，在大量工艺试验的基础上，选用高溃散性树脂砂制作型芯，并成功地研制出大型薄壁复杂结构的封闭型腔铸件。
The two theorems are proved that any ring can be extended into an algebraically closed ring and that the quaternionic skew field over a real closed field is algebraically closed.
证明了任一环有代数封闭的扩张环，且实封闭域上的四元数体是代数封闭的，给出了代数封闭环的若干性质。
First, semi ring of fractions of a semi ring about a multiplicative closed subset in it is constructed.
先构造交换半环关于其乘法封闭子集的分式半环；
Through addition, acidification, closed ring and finally decompressed distillation, hydroxyl propane was made used propenol as initial material.
结果，以丙烯醇为起始原料，经加成、酸化、闭环反应，最后经减压蒸馏，成功制得了羟基丙烷磺酸内酯。
Adopting linearity disperse control technique, position ring, pressure ring, rate ring, current ring constitute the more closed loop pressure regulate system.
采用线性离散控制技术，由位置环、压力环、速度环、电流环多闭环构成线性离散压力调节系统。
In the direction of the existence of the outer ring gasket with high residual compression stress of the closed ring, the close of their joints have a crucial role.
在垫片的外环方向存在着具有较高残余压紧压力的闭合环带，它们对接头的紧密性有非常关键的作用。
Valve is closed twice so that the seal ring can self-center.
关闭阀门两次，使得密封环能够自动校准中心。
Unlike the athlete who is still seeking his own experience, who leaves himself open to truth, the spectator has closed the ring.
不同的是运动员是谁仍在寻找自己的经历，谁离开自己公开真相，观众已关闭环。
Its chemical properties are similar to those of alkanes, but its molecule is in the form of closed ring.
其化学性质与烷烃相似，但其分子是闭环形式。
The process of changing an open-chain hydrocarbon structure to a closed ring, e. g. , hexane to benzene.
使开链烃结构变成闭环烃的过程，例如使己烷变成苯。
Equipped with a closed transmission slip ring, cable is not wrapped, good electrical conductivity.
配置封闭式输电滑环，电缆线不缠绕，导电良好。
This peper gives two necessary and sufficient conditions for a ring to be a nil MHR-ring. It is obtained that any nil MHR-ring is extension closed.
给出满足主右理想极小条件诣零环的两个充要条件，此类环是扩张闭的。
This peper gives two necessary and sufficient conditions for a ring to be a nil MHR-ring. It is obtained that any nil MHR-ring is extension closed.
给出满足主右理想极小条件诣零环的两个充要条件，此类环是扩张闭的。
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