查询词典 conditional expression

The basic idea is that we use entropy and conditional entropy to measure whether a feature type grasps some of the information for syntactic structure prediction.

如果加入某个特征类型之后当前句法结构的不确定性明显下降，则认为该特征类型抓住了上下文中影响句法结构的某些主要信息。

Its feasibility was proved by calculation conditional entropy of 2step and korder Markov predictor.

通过分别对二步和k阶Markov预测器条件熵的计算，在理论上了证明了二步Markov预测器的可行性。

At first, analyze the farmer's desire for the pension by Rough Set theory, construct the attribute reduction algorithm based on the conditional entropy for the computation and analysis of 8,410 questionnaire surveys data to make use of the advantage of rough set to deal with indefinite and incomplete data.

首先利用粗糙集理论理不确定和不完整数据的优势，基于改进的基于条件熵的属性约简理论对8410份问卷调查数据进行计算与分析，得出与农民参保意愿密切相关的几个因素，如年龄、性别、收入、行业等。

To solve that problem, the collocation preference statistic model based on relative conditional entropy is brought up in this paper to measure dependence between headword and co-occurrence words in context.

针对以往研究将搭配视为词项的简单并置，而没有考虑词项间的倾向性的问题，提出了一个基于相对条件熵的搭配倾向统计模型，衡量中心词对上下文同现词的依赖程度。

Using conditional entropy as the heuristic information, it does not compute the core attribute, attribute reduction starts from the condition attributes directly.

该算法利用条件熵度量属性的重要性，不计算条件属性的核，直接在条件属性的基础上约简。

This paper analyzes the informational entropy and the conditional entropy,and studies the entropy deeply as an indefinite measure of the battlefield information.

熵是度量信息有效性和可靠性的重要理论工具，分析了信息熵和条件熵，并深入研究了熵作为不确定性的度量在战场情报中的评估应用，最后举例说明了既要考虑信息的价值又要考虑其风险程度这一新的情报分析方法，使得决策过程透明化，降低了决策的风险。

To solve the problem, the collocation preference statistic model based on relative conditional entropy is brought up to measure the dependence between headword and co-occurrence words in context.

针对以往研究将搭配视为词项的简单并置，而没有考虑词项间的倾向性问题，提出了一个基于相对条件熵的搭配倾向统计模型，衡量中心词对上下文同现词的依赖程度。

Two steganography security definitions fitted for images are proposed from different points of view. One is in terms of the relative entropy based on the reversible de-correlation transform. The other is in terms of the conditional relative entropy using the markov random field model for images.

分别从两个不同的角度提出了新的适合图像载体的掩密安全性定义：基于可逆去相关变换的相对熵安全性定义和基于Markov图像模型的条件相对熵安全性定义，并分别以不同的图像模型对这两个定义进行了讨论。

By re-prove the theorem on the relationship between information entropy and roughness of knowledge,this paper finds that it is conditional information entropy which exists one-to-one relationship with roughness of knowledge.Then several related theorems are given and proved.

该文通过重新证明知识粗糙性和信息熵的对应关系定理，找到与知识粗糙性存在一一对应关系的是条件信息熵，并给出相关定理及其证明。

In this study, on the basis of information theory and statistical methods, we use mutual information, n-tuple entropy and conditional entropy, combining with biological characteristics, to analyze the long range correlation and short range correlation in human Y chromosome palindromes.

本文中，我们利用信息论和统计学的方法并结合生物学的特征研究人类Y染色体回文序列的互信息、'n字'熵、条件熵，定量分析了回文序列的长程关联和短程关联，发现其中既存在长程关联，也存在短程关联，并且它们主要是由序列中的重复序列引起的。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。