这个图必须是无环的，以避免造成调度上的死锁。
The graph must be acyclic to avoid program scheduling deadlocks.
作为代价，描写系统的模型限制是无环的。
The model describing system is restricted to be acyclic at a cost.
拓扑排序必须在无环的有向图中进行。这样的图叫做有向无环图，缩写为DAG。
A topological sort is carried out on a directed graph with no cycles. Such a graph is called a directed, acyclic graph, often abbreviated DAG.
Oozie工作流是放置在控制依赖DAG（有向无环图Direct Acyclic Graph）中的一组动作（例如，Hadoop的Map/Reduce作业、Pig作业等），其中指定了动作执行的顺序。
Oozie workflow is a collection of actions (i.e. Hadoop Map/Reduce jobs, Pig jobs) arranged in a control dependency DAG (Direct Acyclic Graph), specifying a sequence of actions execution.
这种海洋无脊椎动物是海洋生物链中重要的一环。
The Marine invertebrates are important links in the Marine food chain.
日志也记录了杂乱无章的太空中发生的一些虚惊事件：弃用的火箭级、覆盖层以及脚固定环都曾擦身而过。
The logs also included near-misses in the clutter of space: old rocket-stages, blankets and foot restraints, all orbiting past.
这是存储唯一的路径通过一个有向无环图的现实？
Is it practical to store unique paths through a directed acyclic graph?
本文提出一种特殊最短路径算法，即在有向无环网络中最小时间路径算法的一种实现。
This paper proposes a reusable minimum-time path algorithm for the solution to a special time-dependent network, directed acyclic network.
有向无环图支持向量(DAG-SVMS)多类分类方法，是一种新的多类分类方法。
Directed acyclic graph support vector (DAG - SVMS) multi - category classification methods, is a new multi - category classification methods.
针对化工系统模型难以确定的问题，提出了基于对象的有向无环图节点粒度的转换方法。
To solve the difficulty in modeling a chemical system a new node granularity transformation method based on object directed acyclic graph was proposed.
分别对开口有背压活塞环和整体无背压活塞环的工作原理和结构作了阐述。
The work principle and structures of backpressure piston rings and integral non-backpressure piston rings were expounded.
该磨床专门用于磨削无扭转精轧机生产线的碳化钨辊环上磨削。
This machine is specialized in grinding the Tungsten Carbide rolls of no twist finishing block.
为了减少磨损，提高活塞环的使用寿命，对整体无背压活塞环的设计进行了研究。
The design of integral non-backpressure piston rings was studied in order to reduce wear and to raise the piston ring life.
通过研究速度环的动态结构，选择速度环的调节方式，以满足速度环的无差与抗扰要求。
After the dynamic configuration of speed loop is studied, its regulating manner is selected to meet the demand of no error and anti-disturbance.
这是环境友好、无联产品、经济合理的制环氧丙烷的新方法。
This is a novel, environmentally friendly and economical method for making propylene oxide without co-product.
包之间的依赖结构必须是一个直接的无环图形（DAG）。也就是说，在依赖结构中不允许出现环（循环依赖）。
The dependency structure between packages must be a directed acyclic graph (DAG). That is, there must be no cycles in the dependency structure.
目的总结疝环充填式无张力疝修补术治疗腹股沟疝的护理经验。
Objective To summarize the clinical nursing experience of the tension-free herniorrhaphy.
本文给出了一种计算无噪声时具有正弦鉴相器的二阶锁相环捕捉特性的新方法，求得了每个差频周期的平均角频率牵引量。
A new method is presented for analyzing the acquisition behavior of second-order PLL with sinusoidal phase detector in the absence of noise.
无环分解是数据库数据组织的一个重要环节，在实际数据库设计中具有重要意义。
Acyclic decomposition is an important aspect of the database data structure. It has important meaning in actual database design.
最后求得各有向无环网络的组播容量，找出具有最大组播容量的无环组播网络进行线性网络编码构造。
Finally, it achieves the throughput of each network, we can find out the directed acyclic network which has the maximum throughput and construct the linear network coding for it.
介绍迷宫环封密装置在吸口侧无封水的大功率泥浆泵上的应用，以及迷宫环的设置与安装。
The paper introduces the application and installation of labyrinth sealing device in high - power mud pump without being sealed at suction mouth side.
的n阶有向无环图的拓扑排序的可能的最大数量是多少？
What is the maximum number of possible topological sorts of N-order Direct Acyclic Graph?
定义了变换近环，然后证明了任意一个有单位元的近环与它的变换近环同构；任意一个无零因子近环与它的变换近环同。
The commutation near ring defined, it is proved that the near ring of an arbitrary near ring with its unit dimension is isomorphous with its commutation near ring.
结论环椎后桥在本组中的发生率为8.2%，环椎后桥发生率与有无临床症状无显著性差异。
Conclusion the incidence of PBOA is 8.2 % in this group. There is no significant difference between the clinical group and comparative group.
目的探讨疝环充填式无张力疝修补术在老年腹股疝治疗中的临床效果。
Objective To explore the effect of hernia ring filling tension-free inguinal hernia repair in the elderly.
方法：按气管软骨环的形状制备模具，将聚乙醇酸无纺网置于模具中，用聚乳酸塑形；
Methods : PGA non woven mesh was put into the mold of trachea cartilage ring and enforced with polylactic acid.
结果表明：由于粘性的存在，使得涡环与自由表面的相互作用与无粘情形相比有许多不同。
The results show that the interaction between a viscous vortex ring and a free surface is different from the inviscid one.
无源光纤环是一种重要的光纤基础器件，在光纤通信和光纤传感等技术中具有重要的应用。
Passive fiber loop(PFL) is an important fiber basic device that plays a significant role in many fields including optical communication and fiber sensor.
无源光纤环是一种重要的光纤基础器件，在光纤通信和光纤传感等技术中具有重要的应用。
Passive fiber loop(PFL) is an important fiber basic device that plays a significant role in many fields including optical communication and fiber sensor.
应用推荐