无用状态

As for a given automata,there exists three cases:for some state which did not being visited, for some state itself indeed being not reachable although it has been visited,for some state it is equivalent to other states though it can be reached to, in these three cases it is obviously redundant to construct these automata, and the only way for us is to delete,integrate and reduct these useless states in order to minimize the number of states.

对于一个给定的自动机，它的状态中有一些根本没有被访问过，有一些尽管被访问过，但是本身是不可达的，有一些状态尽管是可达的，但是在功能上却与另一些状态等价，这样的自动机在设计和应用中显然很累赘，可以将一些无用的状态删掉，将另外一些等价状态进行整合和约简，使之状态数达到极小。

In this context, we propose a time deployment based, pairwise keymanagement scheme called TDBK. In TDBK, the network lifetime is divided intoseveral consecutive network deployment statuses which are separated by nodedeployment events. Each node to be deployed is assigned its key informationthrough a special two-tier key predistribution mechanism, and timely deletes theuseless part of the key information through the key elimination mechanism eachtime the pairwise key establishment is finished in terms of a new nodedeployment event.

在此背景下，我们提出了一种基于时间部署的对****管理方案(Time Deployment Based Keying，TDBK)，该方案将网络的生命周期分为多个连续的网络部署状态，相邻的部署状态之间通过节点部署事件分隔，每个节点通过特殊的两级****预分配机制来获得用于建立对****的****信息，随后通过****清除机制在每次节点部署事件发生时进行的对****建立过程完成后及时地删除其中无用的****信息。

In the modern social life of mounting tention, such a mental state is not only useless but also unfavorable. Do not mention it ,and one can get relaxed body and mind.

在日益紧张的近代社会生活里，这种心理状态看来不但无用，而且是很不利的，不感觉到它也罢，落得个身心轻松愉快。

To avoid this, this paper introduces the object states, which is a new object management model. There are three states of objects which are wake-up, half-asleep and sleeping.

为了避免系统中实际已经无用的对象对整个系统的使用效率产生比较大的影响，本文采用了一种新的对象管理模式，引入了对象状态的概念。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。