We use the crowding factor both in the rule and message system and the process of the genetic algorithm.

1、

Conclusion ( 1) Insufficient basal bone width and excessive tooth size were the main causes of tooth crowding and tooth removing treatment.

结论：1.基骨宽度不足、牙齿过大是造成牙列拥挤和拔牙矫治的主要原因。

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2、

On the upper arch moderate to severe dental crowding is corrected by changes in anterior lip inclination and arch width when crowding cases were treated with Damon self-ligating system. 3.

Damon自锁托槽技术对上颌中重度牙列拥挤解除后表现为牙弓宽度的改变和前牙出现唇倾。

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3、

This article is to investigate the clinical effect of mild dental crowding cases applying bracketless invisible appliance by manual tooth arrangement.

本文旨在探讨应用人工排牙法制作无托槽隐形矫治器治疗轻度牙列拥挤的临床效果。

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4、

Objective To study the effects of environmental and genetic factors on dental crowding, and to further study on the influencing factors on permanent dentition.

目的通过双生子研究遗传和环境因素对恒牙列拥挤形成所起的作用，以进一步研究恒牙列拥挤的影响因素。

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5、

A Twin Study of Dental Crowding on Permanent Dentition

恒牙列拥挤的双生子研究

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6、

An Investigation of Food Influenced on Dentition Development and Dental Crowding in the Only Child

独生子女人群饮食因素对口颌系统发育影响的调查研究

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7、

Objective To analyze dental crowding degree and its relationship with all kinds of indexes of tooth and basal bone.

目的分析牙齿和基骨的各项指标对牙列拥挤度的影响。

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8、

The Clinical Applications of Fixed Appliance in Dental Crowding Treatment

固定矫治器在牙列拥挤治疗中的临床应用

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9、

The study on the theory of the edge crowding effect of emitter current in a bipolar transistor is reviewed.

本文对双极晶体管发射极电流集边效应的理论研究作了回顾。

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10、

Finally, the paper discusses the limit of land policy from crowding effect and the cost of enforcing land policy.

最后，文章从土地政策运行成本和“挤出效应”两个方面论述土地政策的局限性。

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11、

The pulse crowding effect is analysed by circular mode of magnetization in high density longitudinal magnetic recording

用园形磁化模式分析纵向高密度磁记录中的脉冲密集效应

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12、

Discussion on the Physical Meaning of the Edge Crowding Effect of Emitter Current in a Transistor

晶体管发射极电流集边效应物理意义之探讨

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13、

Fourth, there is crowding effect and spillover effects.

四是存在拥挤效应和溢出效应。

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14、

But it doesn't take much to trigger a crowding effect.

但是，它不会缠绕成一个拥挤的效应。

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15、

Effect of Current Crowd in g on the Reliability of GaN-based LEDs

电流拥挤效应对GaN基发光二极管可靠性的影响

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16、

The first hour or half-hour of the day is often a great chance to work on something important, before other demands crowd in on you.

在其它各种需求都涌向你之前，每天的头一个小时或半小时常常是着手重要事情的最佳机会。

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17、

Don't crowd in on me. I will see your books one at a time.

不要都围着我，你们的书我只能一次看一本。

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18、

At last, the paper analyzes the influence of crowbar protection effect due to two factors: cast cutting time and bypass resistance.

最后分析了影响crowbar保护效果的两个因素：投切时刻和旁路电阻。

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19、

Short Circuit Current Characteristics of Doubly Fed Induction Generator With Crowbar Protection Under Different Voltage Dips

不同电压跌落深度下基于撬棒保护的双馈式风机短路电流特性分析

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20、

It mainly studies on the power dissipative Crowbar circuit on the dc side. The validity and correctness of the control is confirmed through the Matlab/ Simulink simulation.

重点研究了直流侧耗能Crowbar电路的低电压穿越策略，并对其仿真研究，结果验证了其有效性和正确性。

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