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动态视力
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  “动态视力”译为未确定词的双语例句
     Longitudino-Kinetic visual acuity was measured before and at 30、60、80、100、120、150、180 minute during the work.
     对实验前和连续工作30、60、80、100、120、150和180min以及休息5、10和15min时的纵向动态视力进行测试。
短句来源
     Method Subjective symptoms of the VDT operators under the Multi user system were measured before and after work in the field study. Visual indices were measured at 8:15, 9:15, 10:15, 11:15, or 12:15 a.
     方法对寻呼员上午工作前和工作后的主观感觉进行了测评,并分别在8 :15 、9 :15 、10 :15 、11 :15 、12 :15 对闪光融合频率、动态视力和屈光度等视觉指标进行现场测试。
短句来源
     Study on the relationship between kinetic vision and flight performance score
     动态视力与飞行成绩关系的调查
短句来源
     Research of Human Mobile Eyesight Detector
     人眼动态视力测试仪的研究
短句来源
     Eye charts designed for evaluating eccentric viewing,contrast sensitivity testing,dynamic acuity testing,detailed field analysis, special refracting techniques utilizing prisms,and use of magnification for near and distance ranges,are some of the innovative approaches utilized to improve visual function for the visually impaired patient.
     用于估计旁中心固视的眼图、对比敏感度试验、动态视力试验、详细的视野分析、使用三棱镜的特殊的屈光技术,以及在远、近距离中用的放大方法是用来改善视觉受损者视功能的一些新方法。
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  相似匹配句对
     DYNAMIC
     动态
短句来源
     DynamicState
     动态
短句来源
     Analysing the Sight Change of the Students in Middle Schools
     中学生视力变化的动态分析
短句来源
     A Longitudinal Study on Visual Status of Elementary and Secondary School Students in Shanghai
     上海市中小学生视力状况动态观察
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     Her Vision Was Tied Down
     视力受限
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  dynamic visual
Dynamic visual tracking based on multiple feature matching and g-h filter
      
The area-based matching approach has been used extensively in many dynamic visual tracking systems to detect moving targets because it is computation efficient and does not require an object model.
      
In addition, a g-h filter is added to the visual loop to deal with the latency problem of visual feedback so that the performance of dynamic visual tracking can be improved.
      
These findings are consistent with the idea that energetically-expensive dynamic visual signals play a role in opponent assessment.
      
The approach of using Simulink? as a dynamic visual model for SSF represents a simple method which can be applied to a variety of biological pathways and may be very useful for systems approaches in metabolic engineering in the future.
      
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Demographic studies consistently show that age is the best predictor of blindness and vision impairment(Hatfield,1973;Trovern-Trend, 1968).Aging contributes to visual impairment through normal deterioration of eye tissues and increased incidence of eye pathology.It is speculated that because of continued advances in medical and surgical technology and treatment regimens,sight loss will less often be total and the relative proportion of partial loss will be greater. Sight impairments traditionally have been divided...

Demographic studies consistently show that age is the best predictor of blindness and vision impairment(Hatfield,1973;Trovern-Trend, 1968).Aging contributes to visual impairment through normal deterioration of eye tissues and increased incidence of eye pathology.It is speculated that because of continued advances in medical and surgical technology and treatment regimens,sight loss will less often be total and the relative proportion of partial loss will be greater. Sight impairments traditionally have been divided into four classes:1)central acuity reduction, 2)central field loss,3)peripheral field loss,4) combinations of these three.It has been a common clinical observation that not all people are affected the same by acuity and/or field losses(Genensky, 1976)and that performance and functional abilities can vary considerably.Studies by Trevarthen,1973 and Liebowitz and Post,1982 indicate that there are two fundamental modes of visual processing:focal and ambient.These modes of processing are mediated by the eye and brain.Further,the affect of a sight impairment on performance may vary between individuals depending upon the interference in processing,rather than solely on the quantitative measurement of acuity or visual field.For example, aging appears to cause a reduction in visual contrast sensitivity to lower spatial frequencies(Sekuler, 1983)thereby causing individuals of different ages to have similar acuities but performance that is affected very differently. A vision impairment can profoundly interfere with performance thereby affecting independence,learning abilities,employment opportunities,and social relationships,to name several. Medical and surgical intervention is the primary approach utilized throughout the world to prevent blindness.Success in prevention of blindness often yields a sight impairment.Historically,sight-saving programs and compensatory care services oriented toward compensating for the loss of independence were developed for the sight impaired person. Unfortunately,these approaches are still the only approaches offered in many areas of the world.An equally aggressive approach needs to be taken with visually rehabilitating the patient who still has useable vision.Through a specialized low vision examination and the prescription of optical and non-optical devices,the sight impaired individual can maximize use of residual vision. The low vision examination is provided through a rehabilitative approach and may be part of a multidisciplinary service designed to improve vision function.The low vision examiner utilizes special exam techniques for the purpose of evaluating qualitative performance of the visual process as well as quantitative measurements.Eye charts designed for evaluating eccentric viewing,contrast sensitivity testing,dynamic acuity testing,detailed field analysis, special refracting techniques utilizing prisms,and use of magnification for near and distance ranges,are some of the innovative approaches utilized to improve visual function for the visually impaired patient.Training programs using optical devices individually designed to meet the needs of the patient are important in establishing effective use of focal and ambient modes of visual processing. Low vision services are a means to develop effective visual functioning;the purpose is to increase the independence and improve self concept in the visually impaired person.

人口统计学研究一致认为年龄是盲和视觉损害的最好预告者,因为眼正常组织的退化和眼病理学发病率的增加,年龄造成对视觉的损害。由于医学工艺学、外科技术和治疗方面的不断进步,完全丧失视力将会减少,而部分视力丧失的患者比例将增加。习惯上将视觉损害分为4类:1)中心视力下降,2)中心视野丧失,3)周边视野丧失,4)以上三种情况的混合。临床常常看到,并非所有病人的视力和/或视野丧失都是同样的,视觉的完成和视功能的能力可以大不相同。1973年 Trevarthen 和1982年 Liebowitz 和Post 等认为视觉的过程有两种基本形式:焦点的和周围的。这些过程的形成有眼和脑的参与。而且,在完成视觉过程中影响到视力,按其过程中所受干扰的不同每个人有所不同。而不单是靠视力和视野的定量测定。例如,年龄增加会引起对低空间频率的视对比敏感功能下降。因此不同年龄的人可以有同样的视力,但视觉的完成所受的影响却是非常不同的。视觉损害可深刻干扰视觉的完成,因而影响独立生活、学习能力、就业机会和社会关系等等方面。药物和外科干预是全世界防盲的首要措施,防盲的成功常导致视力缺损。历史上,为视觉损害人制定的抢救视力的计划和补偿性照顾服务是着重于...

人口统计学研究一致认为年龄是盲和视觉损害的最好预告者,因为眼正常组织的退化和眼病理学发病率的增加,年龄造成对视觉的损害。由于医学工艺学、外科技术和治疗方面的不断进步,完全丧失视力将会减少,而部分视力丧失的患者比例将增加。习惯上将视觉损害分为4类:1)中心视力下降,2)中心视野丧失,3)周边视野丧失,4)以上三种情况的混合。临床常常看到,并非所有病人的视力和/或视野丧失都是同样的,视觉的完成和视功能的能力可以大不相同。1973年 Trevarthen 和1982年 Liebowitz 和Post 等认为视觉的过程有两种基本形式:焦点的和周围的。这些过程的形成有眼和脑的参与。而且,在完成视觉过程中影响到视力,按其过程中所受干扰的不同每个人有所不同。而不单是靠视力和视野的定量测定。例如,年龄增加会引起对低空间频率的视对比敏感功能下降。因此不同年龄的人可以有同样的视力,但视觉的完成所受的影响却是非常不同的。视觉损害可深刻干扰视觉的完成,因而影响独立生活、学习能力、就业机会和社会关系等等方面。药物和外科干预是全世界防盲的首要措施,防盲的成功常导致视力缺损。历史上,为视觉损害人制定的抢救视力的计划和补偿性照顾服务是着重于补偿病人丧失独立性的那部分。不幸的是,这些措施仍是世界许多地区提供的唯一措施。此外,同样要采取积极措施使仍有可用视力的患者重建视力。通过特殊的低视力检查,让病人使用光学和非光学辅助器,视觉受损者可以最大限度地使用他们的残存视力。低视力检查是通过视觉再建措施来进行和可为改善视功能而设计的多样训练的一部分。低视力检查者使用特殊的检查技术,目的在于对视觉的完成过程进行定性估计和定量测定。用于估计旁中心固视的眼图、对比敏感度试验、动态视力试验、详细的视野分析、使用三棱镜的特殊的屈光技术,以及在远、近距离中用的放大方法是用来改善视觉受损者视功能的一些新方法。为了有效使用聚焦式和周围式的视觉过程,按病人需要而个别设计的光掌辅助器使用的训练是很重要的。低视力服务是提供有效视功能的一种方法,目的是增强视力损害患者的独立性,改善自我概念。

This paper describes the principle of measurement, transforming relation of Visual mark moving speed and vehicle speed, construction and design of measuring instrument for moving visual acuity.

本文介绍了动态视力的测试原理,视标移动速度和车速的换算关系,仪器的整机结构和光学系统的参数设计等。

Kinetic vision(KV) and static vision (SV)were examined in 102 pilots using newly de-veloped DLS-Ⅰ Kinetic Vision Tester. For examining kinetic vision,3 different visual target velocity(30,45, 60 km/h) were used. The results showed that, the visual acuity of static vision was significantlyhigher than that of kinetic vision (P<0. 01 ) Ithe difference between them varied in different pilots jthehigher the velocity of visual target,the lower the visual acuity of kinetic vision(P<0.05). Kinetic visionefficiency that...

Kinetic vision(KV) and static vision (SV)were examined in 102 pilots using newly de-veloped DLS-Ⅰ Kinetic Vision Tester. For examining kinetic vision,3 different visual target velocity(30,45, 60 km/h) were used. The results showed that, the visual acuity of static vision was significantlyhigher than that of kinetic vision (P<0. 01 ) Ithe difference between them varied in different pilots jthehigher the velocity of visual target,the lower the visual acuity of kinetic vision(P<0.05). Kinetic visionefficiency that is (SV-KV)/SV ×100% is recommended for evaluation of kinetic vision,and discussionfollows.

应用我国新研制的LDS-Ⅰ型动态视力仪,检测了102名飞行人员静态视力及30、45、60km/h三种不同运动速度的动态视力。结果显示,静态视力明显高于动态视力(P<0.01),静态视力与动态视力的差值,个体间差异较大。动态视力随动态机标运动速度加快而降低(P<0.05)。应用动态视效率评价了在30km/h运动速度下测得的动态视力,优秀占16.7%、良好占19.6%、中等40.2%、较差19.6%、最差3.9%。

 
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