查询词典 classification

UDC? Universal Decimal Classification?

通用十进制分类法

Relationship revealed by cytotaxonomy, which based on gene vector chromosome, is an improvement and examination of original classification and investigation of speciation mechanism and their evolution direction.

基于对基因载体染色体的研究，细胞分类学所揭示的类群之间的亲缘关系，可作为进一步审查、改进原来分类系统的依据，提示物种的形成机制和类群的进化方向。

Cytotaxonomy, as an important branch of comprehensive taxonomy, not only has offered plentiful the knowledge of cytology to taxonomy, but also impelled the classical classification to a progress in technique method.

细胞分类学是综合分类学的重要组成部分，它将细胞学知识应用到分类学研究中，推动了经典分类学的发展，并为深层次的分类学研究提供了新的手段。

The results of dendrogam were consistent with the previous conclusion of morphologic classification and cytotaxonomy, and suggested RAPD was suitable for analysis of phylogenetic relationships among species of Oxya .

聚类图所呈现的种间关系与传统的形态及细胞分类学结果基本一致，5种稻蝗亲缘关系的远近程度得以清楚显示，说明RAPD技术在稻蝗属种间分子系统学研究中具有很好的适用性。

At the same time, pattern recognition has been used for abstracting characteristics、predicting the life and evaluating the properties of engine. This research contributes toward global diagnosis for the diesel engine in eight ways.(1) Put forward"the Arithmetic of distinguish the period automatically using auto-correlation method";(2) Separate the waves of continuous knocks using WV distribution;(3) Propose"the logarithmic spectrum approximate method"to analysis the response of the knock between the steel and steel;(4) Discuss the relationship between the time-frequency distribution and timescale distribution in detail, and give the principle of classification;(5) Use the wavelet method to analysis the pressure signal of exhaust、suction;(6) Use the shape of vibration signal to analyse the working situation of cylinder;(7) Use the pattern recognition to select the good samples and abstract the effective characteristics;(8) Develop the model of total properties evaluation and life prediction.

本文在广泛的、深入研究的基础上，应用多种信号处理手段来分析处理数据，同时利用模式识别方法对故障的特征提取、寿命预测以及性能评价作了探讨，本文进行了以下几项工作：（1）提出了基于自相关自动周期识别算法的柴油机振动信号预处理策略；（2）提出了基于WVD分布的连续撞击响应信号的分离策略；（3）提出了基于对数谱拟合方法的钢—钢撞击响应求解模型；（4）提出了基于波形分析的非正常燃烧振动信号的诊断模型；（5）提出了基于小波细节信息的进气压力信号和曲轴箱压力信号的诊断模型；（6）提出了基于小波近似的喷油正时信号中燃烧位置的自动定位；（7）提出了基于统计模式识别方法的故障诊断知识的自学习与自组织策略；（8）提出了基于特征压缩思想的柴油机总体性能评价及寿命预测模型。

The classification for special sites of urban greening is put forward, which are the habits of plants combining with the form of buildings.

这种特殊的植物生长空间伴随城市的发展，为城市绿化和植物生物量的提高提供了巨大的&绿色潜能&。

In accordance with the factor classification regarding their satisfaction and attention degree,the paper brings forward the strategy for improvement and priority for arran...

依据满意度与关注度将因子分类，分别提出改善策略并排列优先级，最后提出了突出景区资源禀赋优势、完善旅游支撑保障体系等建议。

Objective To analyze the histogenesis, classification, incidence, clinical feature, the key point of differential diagnosis and histopathologic characteristics of ciliary body neoplasms to provide the basis for clinical diagnosis and treatment.

目的 分析睫状体部占位性病变的组织来源和类型、临床表现、鉴别诊断特点以及组织病理学特征，为临床提供诊断和治疗依据。

The four cardinal virtues of the Stoic philosophy are wisdom, courage, justice, and temperance, a classification derived from the teachings of Plato.

斯多葛哲学的四种根本美德是智慧、勇气、正义和节制，这种分类来自柏拉图学说。

In 1887, after his Baffin Island expedition, Boas wrote "The Principles of Ethnological Classification," in which he developed this argument in application to anthropology

他在柏林经过介绍而结识

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。