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re·frac·tive 英rɪ'fræktɪv美rɪ'fræktɪv 高COCA⁵⁶⁸⁰⁶BNC³⁵⁸⁵²iWeb¹⁷⁶³⁴
基本英英词源搭配记法近义反义派生词例句例句
adj.折射的⁸⁴;有折射力的¹⁶
Adjective:
of or relating to or capable of refraction;the refractive characteristics of the eye capable of changing the direction of a light or sound wave词根词缀： re-回 + -fract-打破,打碎 + -ive形容词词尾refractive index折射率refractive cell反光细胞refractive index detector折光率检测器…refractive medium折射媒质refractive power折射本领specific refractive power比折射力refractive optics折射光学refractive body反光体mean refractive index平均折射率refractive modulus折射模数refractive apparatus屈光装置refractive examination屈光检查法refractive index profile折射率分布图…refractive phase折射相位refractive exponent折射指数
钱博士re向后+fract折断+ive形容词后缀→向后折断的⇒折射的
词根frag-断裂，中断，破碎来自拉丁语，过去分词形式为fract-。它和日耳曼单词break断裂、中断、破碎最终都源自原始印欧语词根*bhreg-断裂，中断，破碎，b-f相通，k-g相通。re向后+fract折断+ive形容词后缀→向后折断的⇒折射的。近义词 refractile折射的deflective偏倚的
Pbirefractive双折射的Prefractiveness折射性Pnonrefractive非折射的Pbiorefractive抗生物的抗生物降解的表面活性剂
形容词100%
用作形容词All fibers are more or less doublyrefractive.所有纤维都具有程度不同的双折射。
For people with higher levels of nearsightedness , otherrefractivesurgery procedures are now available.对于高度近视的患者来说，也可以通过其他的屈光手术来恢复正常视力。
There is difference in therefractivepower of the two eyes.两只眼睛的屈光能力不一样。
All political news is now interpreted through therefractivelens of Mr Brown's failings.现在所有的政治新闻都被认为是在折射布朗的失败。 The cost of refractive surgery varies in different locations, but it can be a significant expense.
不同地区屈光手术的费用也各不相同，但这笔费用往往是可观的。 yeeyan
The deceleration gives the new medium a different refractive index.
减速使新介质获得不同的折射率。 yeeyan
The elective use of aspirin and nonsteroidal anti- inflammatory drugs is discouraged for refractive cases.
对于屈光不正的病例，我们不建议选择性使用阿司匹林及非甾体类消炎药。 yeeyan
The ratio between the speed of light in a vacuum and that in a material is known as the material's refractive index.
光在真空中的速度与在物体内速度的比率被称为物体的折射指数。 ecocn
The theme of this year's event, low vision and refractive error, draws attention to the hundreds of millions of people who are functionally blind simply because they need spectacles.
今年事件的主题为低视力和屈光不正，提醒注意数亿只是因为需要眼镜而功能性失明的人。 who
To estimate the potential global economic productivity loss associated with the existing burden of visual impairment from uncorrected refractive error URE.
评估目前由未矫正屈光不正造成的视力下降带来的治疗负担可能导致的全球经济潜在的生产力损失。 who
Your results will depend on your specific refractive error and other factors. People with a low grade of nearsightedness tend to have the most success with refractive surgery.
结果取决于具体的屈光误差和其他因素，屈光手术对近视度数低的人最成功。 yeeyan
All political news is now interpreted through the refractive lens of Mr Brown's failings.
现在所有的政治新闻都被认为是在折射布朗的失败。 ecocn
Because shock waves represent a stark and sudden change in refractive index, they show up clearly in schlieren photographs.
因为冲击波反映了折射率的明显和突然的变化，他们能在纹影摄影中清楚地被展现出来。 yeeyan
But materials that have negative refractive indices have already been made at least for light with wavelengths that are too long to be visible, so the idea could be tested fairly easily.
但是，具有正折射指数的材料已经被制作出来至少用于对那些具有大波长而无法看到的光进行试验的材料已经制作出，因此这种构想的试验不会大费周折。 ecocn
Dr Hess envisages a ray of light travelling down an optical fibre made from two materials: a core with a negative refractive index and an outer sheath with a positive one.
赫斯博士构想出一个画面，即一道光正穿越于一个由两种材料制作的光导纤维，一种是具有正折射指数的纤维核，另一种则是具有正折射指数的外围。 ecocn
From the refractive index of each path it is possible—with the application of some suitably crunchy computing power—to produce a three-dimension a l image.
从每条路径的折射率——再运用一些适当的计算处理能力——就可以组成一个三维图像。 ecocn
Globally, uncorrected refractive errors are the main cause of visual impairment; cataracts remain the leading cause of blindness in middle- and low- income countries.
在全球范围内，未经矫正的屈光不正是视力损害的主要原因，在中、低收入国家，白内障仍然是致盲的主要原因。 who
In natural materials, light waves entering at an angle always bend to plunge more steeply into the material—the hallmark of a refractive index greater than1.
在自然物质中，以一定角度进入的光波，进入物质后的角度更小——标志着折射率大于1。 yeeyan
In response to the increasing burden of chronic eye disease WHO is now developing policies and guidelines for diabetic retinopathy, glaucoma, age- related macular degeneration and refractive errors.
为应对慢性眼疾日益沉重的负担，世卫组织目前正在制定针对糖尿病性视网膜病变、青光眼、年龄相关性黄斑变性和屈光不正的政策和准则。 who
It occurs when the eye cannot clearly focus the images from the outside world. The result of refractive errors is blurred vision, which is sometimes so severe that it causes visual impairment.
屈光不正是一种非常常见的眼部疾病，使眼睛无法对外界物体清晰地聚焦，而导致视力模糊，严重的时候可以引起视力损害。 who
Light in the vicinity of the pulse is slowed more and more when the refractive index changes as the pulse passes by.
随着脉冲的穿越，折射率出现改变，临近脉冲的光的速度就会越来越慢。 ecocn
Most insurance companies do not cover the cost of refractive surgery.
但大多数保险公司却并不支付屈光手术的费用。 yeeyan
Most people who have refractive surgery eventually attain20/25 or better vision. Your chances for improved vision are based, in part, on how good your vision was before surgery.
大部分接受屈光手术的人最终得到20/25或更好的视力，视力提高的可能性部分取决于你手术前视力有多好。 yeeyan
Now Dr Hess and his colleagues believe that a material with a negative refractive index could also stop light in its tracks and hold it there.
现在，赫斯博士与他的同事们相信，一个具有负折射指数的材料能同样把光停止在其运行的轨迹上并让光在那里保持不变。 ecocn
That's probably because aragonite has two refractive indices, the extent to which a particular material focuses incoming light.
这可能是由于碳酸钙晶体具有两种折射率——折射率会限定某种物质聚焦入射光线的范围。 yeeyan
These are called refractive errors. They often go untreated in countries with limited health care systems.
这被称为屈光不正，在医疗条件有限的国家里这种情况经常得不到治疗。 ebigear
These are called refractive errors.
这些都称为屈光不正。 hxen
What is a refractive error?
什么是屈光不正？ who
With the development of operation, wavefront aberration technology has become hot topic in cornea refractive surgery.
随着这一手术的开展，波前像差成为屈光手术的一个热门话题。 jukuu
Refractive error can be simply diagnosed, measured and corrected; yet many people in low and middle income countries do not have access to these basic services.
屈光不正可以简单地得到诊断、测定和矫正；但是在低收入和中等收入国家的许多人不能获得这些基本服务。 who
Refractive errors cannot be prevented, but they can be diagnosed by an eye examination and treated with corrective glasses, contact lenses or refractive surgery.
屈光不正无法预防，但可通过验光作出诊断，并可选择眼镜、隐形眼镜或手术加以矫正。 who |