查询词典 evolutionary tree

They are often considered to be "religious" symbols, such as the 1993 Bythorn Mandala, the 1997 Tree of Life, and two 1999 formations - the Winged Disk God and the Biblical Menorah.

他们往往被视为"宗教"符号，如1993年拜索恩曼荼罗，1997年的生命树，和1999年两个单位-磁盘的翼神和圣经的灯台。

Var en_headline="Financial Pressure Is a Family-Room Topic, Too";var en_bodytext=This holiday season, as you clean up under the Christmas tree or put away the menorah, set some time aside to talk about how the financial crisis may affect your family.

这个假期，当你在圣诞树下打扫卫生或是收拾起大烛台的时候，也别忘了找点儿时间和家人聊聊金融危机可能对你们家造成的影响。

Tasks can run command lines, launch menu commands, or navigate to other tree items.

任务可以运行命令行指令，启动菜单命令，或者定位到其他树项目。

The old person tells us, this tree cries in local jargon " Kumajia ", also a few big mammal are in to death under its mephitis before, nevertheless, most animal can rely on natural escape it.

老人告诉我们，这棵树在当地土语中叫"库马加"，以前也有一些大的哺乳动物死在它的毒气之下，不过，大多数动物都能依靠本能避开它。

The first attribution of this paper is proposing a new One-time Signature scheme which is improved by Merkle Tree.

本文的第一个工作是提出使用Merkle树来改进一次签名方案。

An integrity-protecting method based on Merkle hash tree is presented. This method can check the integrity of security rules stored in database. Its space cost and time cost is modest. A prototype of DIPS is implemented.

本文研究了数据库入侵防护系统的实现技术，测试了原型系统对数据库系统性能的影响以及原型系统在入侵防护方面的表现，并详细的分析和比较了测试结果。

Analysis of entity authentication in CDMA system;2. A novel entity authentication scheme based on Merkle hash tree for Clustering-Based sensor network is proposed to solve such problems.

针对无线传感器网络节点能量、计算和存储有限的特点，以及公开密钥算法和数字签名实施认证耗能多的不足，提出一种适用于无线传感器网络的基于分簇的Merkle散列树实体认证协议。

Unlike former schemes, our scheme not only uses Merkle Tree for key management but also to reduce one-time public keys, thereby reduces the length of authentication information.

与之前方案不同，本方案不仅使用Merkle树进行密钥管理，而且使用它来缩短了公钥长度，进而缩短了认证信息长度。

The security verification based on the content authentication is implemented through feature extraction, choosing of the shared encryption key, transformation of the Hash function and generation of the Merkle tree, which is simulated in the environment of NS-2. The result shows that the proposed mechanism has better performance in the efficiency and security.

通过特征提取、选取共享密钥、Hash函数变换和构造Merkle树实现基于内容认证的安全性检验，并在NS-2环境下进行了仿真模拟，结果表明所提出的安全机制具有较好的效率和安全性。

One-time Signature is a type of signature scheme which is very fast based on one way function without trapdoor. Together with Merkle Tree, One-time Signature can be used to construct a solution to Multicast Source Authentication problem.

一次签名是一类基于无陷门单向函数的快速的数字签名，结合使用Merkle树来进行密钥管理，可用来构造组播源认证方案。

Objective To investigate the relationship between ovum fertilization rate and sperm morphology, acrosome reaction in IVF and to explore the influence of parameters of sperm on fertilization rate.

目的 研究体外受精(in vitro fertilization，IVF)中精子形态、顶体反应与卵子受精率之间的关系，分析精子各参数在IVF受精率方面的参考意义。

A: I hear Mr. White wants to run for the Presidency!

我听说怀特先生要参加总统竞选！