查询词典 occurrence

To make occurrence degree prediction, single factor regression algorithms, stepwise regression algorithms, discriminatory analysis, Markovian model, fuzzy mathematics theory and Back propagation neural network algorithms are studied and models are builded.

将筛选出的主要气象因子作为预测因子，分别用单因子回归预测法、逐步回归预测法、判别分析预测法、马尔柯夫链预测法、模糊数学预测法与神经网络预测法建立了关中地区小麦吸浆虫的发生程度的预测模型。

At present generally believed that, HP is the chronic gastritis disease germ, and recurs at the digestion ulcer occurrence is possible the vital role, but whether related still had the dispute with the stomach cancer.

目前普遍认为，HP是慢性胃炎的病原菌，在消化性溃疡的发生和复发中可能起重要作用，但是否与胃癌有关尚有争议。

Simulation results show that disinfestation treatment before export and quarantine inspection to imported fruits arrived at port are very important to reduce risk. The volume of imported fruits and the limiting factor occurrence during shipping also contribute significantly to the value of introduction risk.

模拟评估结果认为，进口水果装运前的杀虫处理和水果到岸时的检疫处理对风险值的影响很大，进口水果的数量以及运输途中是否出现极端限制因子也对风险值有明显影响。

However, keywords can only represent the simple content, which easily dissever the relevancy of the content The deep-content representation and application are not developed, so semantic navigation is not satisfied at present. Time mechanism is a kind of navigation mechanisms that uses time for the signpost, and determines navigation route according to the time of occurrence.

时序机制指以时间为导航路标、根据事物发生的时间顺序确定访问路径的一种导航机制，主要应用于WWW信息空间中以时问顺序为线索组织信息的结构中；空间机制指依据对象间的空间关联，为用户指引路径，提供导航路标的机制，应用于具有空间特征的结构中；社会机制指利用先行者的经验、建议为后来者指引路径的行为，原来主要应用在推荐系统、协作系统中，目前已经在主流的信息检索系统中得到了应用，如在CNKl知识网络服务平台（CNS 5.0）中的应用。

The dynamic mechanism of the optim; control of regional human-earth system is to simulate the optimal distance between "man circle" an "earth circle". The spatial structure of the optimal control includes core area, occurrence area, sustair ing area and function area.

人地系统优化调控的动态机理在于模拟"人圈"与"地圈"的最佳距离，优化调控的空间结构包括核心区、发生区、支持区和作用区，各功能区相互竞争的结果形成区域定位与空间共生。

Get up alike in morning of to son of worker eat to complete common early of, drive to declare, has been climb my distractedly, the good elephant have what affairs occurrence...

早上起来和儿子工人一起吃完早，开车出发了，一路上我心神不定，好象有什麼事发生一样。。。

Overtraining is defined as a fatigue syndrome which means that the normal level of performance can not recover after intensive training, Overtraining mainly occurs in endurance events and its occurrence is related to the disturber of neuroendocrine system and immune system.

过度训练是指大强度运动后，长时间不能恢复运动能力的一种疲劳症状，它的产生与神经内分泌系统、免疫系统的功能紊乱有关。

The category, distribution, appearance characteristic, ecological and biological characteristic, damage trait and occurrence regulation of dodder are illustrated, on the basis of investigation and study of alfalfa dodder for many years.

在对苜蓿菟丝子进行了多年调查研究的基础上，阐述了菟丝子的生物学特性、危害特点和发生规律等。

Its occurrence in regular pentagons and decagons was duly observed, as well as in the dodecahedron (a regular polyhedron whose twelve faces are regular pentagons).

它出现在正五边形和正十边形以及正12面体（一种规则多面体，它的每个面都是正五边形）中是易于观察到的。

To this, the personage inside course of study thinks, below the premise that does not have occurrence content problem, be in charge of what ministry doorplate illuminates to extend will press regular job flow to undertake, be indifferent to batch and early or late.

对此，有业内人士认为，在没有出现内容问题的前提下，主管部门牌照的发放将按正常工作流程进行，无所谓批次和先后。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐