英语释义

• capable of changing the direction (of a light or sound wave)

• of or relating to or capable of refraction;

  "the refractive characteristics of the eye"

片语

refractive power折光力；折射本领

refractive projector折射式投影机

refractive index[光] 折射率，[光] 折光率

refractive effect也称为折射效应

Refractive myopia屈光性近视

refractive ametropia屈光性屈光不正

refractive optics[光]

refractive microlens微透镜

refractive error屈光不正；折射误差

refractive modulus[气象]

refractive penalization报道用屈光性压抑疗法

英汉例句

• as with any surgery, refractive surgery carries risks, including

  正如任何外科手术，屈光手术也有风险，包括如下

• 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。

• 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準则。

• 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。

• the technique can image variations in what is known as the refractive index of air - in essence, the speed of light in a given medium.

  这项技术能够使空气折射率图形化-本质上就是特定介质下的光速。

• 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。

• 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。

• swartzlander says he hopes to ultimately test the lightfoils in air, too, and try different shapes and materials with various refractive properties.

  swartzlander说他希望最终也能在空中测试这些光膜，并且使用形状不同和折射属性各异的材质的这种装置分别试验。

• 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 than 1.

  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。

• 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。

• 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。

• using nanofabrication techniques, the researchers etched tiny holes into the nitride to make a desired pattern, giving the waveguide the cloaking refractive index profile.

  通过纳米制备技术研究者在氮化硅中刻蚀出许多空洞以构成所需图案，使得波导具有合适的隐形折射率。

• 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。

• the researchers placed a silicon nitride waveguide on a transparent nanoporous silicon oxide substrate that they specially developed to have a much lower refractive index than that of the waveguide.

  其做法是在纳米级氧化硅透明衬底上生长氮化硅波导，衬底的折射率远小于波导。

• from the refractive index of each path it is possible—with the application of some suitably crunchy computing power—to produce a three-dimensional 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。

• light in the vicinity of the pulse is slowed more and more when the refractive index changes as the pulse passes by.

  随着脉沖经过，折射率发生改变，靠近脉沖的光速度越来越慢。

• 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。

• 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。

• 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。

• the deceleration gives the new medium a different refractive index.

  减速使新介质获得不同的折射率。

• because shock waves represent a stark and sudden change in refractive index, they show up clearly in schlieren photographs.

  因为沖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。

• most people who have refractive surgery eventually attain 20/25 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。

• your eye doctor may recommend another type of refractive surgery if you're not a good candidate for lasik eye surgery. these include

  如果你不是lasik眼科手术的适合者，眼科医生会推荐你其他类型的屈光手术。

• the three most common refractive errors are

  最常见的屈光不正有三种

• this exact control of optical phase is based on a unique combination of negative and positive refractive indices.

  精确得控制光子相位是基于独特得组合负和正的折射率器件。