What would a negative index of refraction look like?
如果折射率是负的,会发生什么事情?
The negative index interpretation was soon challenged, however.
不过这项对于负折射率的诠释很快就受到质疑。
Within the coupled resonant frequency region, the negative index of refraction can be achieved.
在负的磁导率和负的介电常数重叠的频率区域，能得到一个负的折射系数。
After flare opening stage apeak distribution of dry weight root in soil was Negative Index curve.
大喇叭口期以后根系干重在土壤中的垂直分布呈负指数曲线趋势变化。
If water had a negative index of refraction, then a straw placed in a glass would appear to bend back under itself.
如果水具有负折射率，那么放在玻璃杯中的吸管似乎可能弯曲到自身下方。
Its maximum axial and tangential velocity attenuate proportionally with the negative index of its distance from the nuzzles.
旋转射流截面最大轴向速度和切向速度与喷距的负指数成正比关系衰减。
The perfect focusing concept is proposed in lenses made of Left handed materials (or negative index materials) by means of geometrical optics.
从几何光学理论证明了，在左手系材料（负折率材料）透镜中存在完善聚焦的概念。
The relationship between the residual strain and cyclic Numbers accords with the power of negative index under the cyclic loading and unloading pore water pressures.
在循环加、卸载孔隙水压力作用下，残余应变与循环次数的关系符合乘幂负指数关系。
They then cascaded the negative index medium with a positive refractive index medium so that the complete nanostructure behaved as one with an index of refraction of zero.
他们将负折射率材料和正折射率材料级联起来成功实现了零折射率行为的纳米结构。
Based on the characteristics of nonlinear negative index materials, we investigate the formation conditions and transmission characteristics of the chirped dark solitary wave in detail.
结合负折射介质的特性，详细研究了该啁啾暗孤波的形成条件和传输特性。
And last year, while the MSCI World Index of global share prices suffered a negative return of 40.3%, commercial property lost just 10.1%.
并且就在去年，当全球股票价格MSCI全球指数遭遇40.3%的负收益时，商业地产损失却只有10.1%。
Gallup's Underemployment Index also has a strong negative relationship with GDP per capita.
盖洛普的就业不足指数也和一国的人均GDP有着密切的负相关。
As analysis removes words before indexing, it decreases index size, but it can have a negative effect on precision query processing.
因为分析在编制索引之前移除单词，它减少了索引的大小，但是不利用精确的查询过程。
The broader retail-prices index rose by just 0.1% in the year to January, the lowest since 1960, and looks sure to turn negative soon.
范围更广的零售物价指数从去年至今年1月份只上涨了0.1%，这是自1960年以来的最低水平，而且这一水平看似很快就将转为负数。
His strategy, as advertised, might have produced less volatile returns than the index, but the absence of negative months suggested almost perfect market timing.
如同广告上所打的那样，他的策略可能是提供比指数稍平稳的回报，但由于没有亏损月份，这能显示了他几乎完美的市场操作时机。
Only in 2008 did the IPD index of global commercial property show a negative return.
全球商业地产指数仅在2008年出现过负增长。
One thing you will note is that the y intercept is a negative number, meaning that when "Social Concentration" is 0, the predicted Exhaustion Index is -29.50.
您可能会注意到y 轴截距是负数的情况，这意味着“社会集中度”为 0，预测消耗指数为 -29.50。
Fears about negative equity returned to haunt British homeowners, with one index reporting that house prices fell by 2.5% in March compared with February, the sharpest such decline for 16 years.
对净资产负值的恐惧在英国业主中死灰复燃，一份数据报告称，3月份住宅价格比2月份下降了2.5%，这是16年来的最大降幅。
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。
Here are 14 pieces of advice and training tips from a 166 cm short man, with negative gorilla index and a 193 cm tall guy with positive gorilla index.
这里有14个训练动态的技巧，适用于身高只有166cm的矮小人士到193cm的大个子。
If an index has a negative value, it counts backward from the end of the list.
如果一个索引是负值，意味着是从列表末尾向前倒序计数查找相对应的位置。
Recently, the two negative-index relations have been deduced by the principle of the maximum entropy and confirmed by a lot of observation.
近年来，从熵最大原理的角度曾推导出其中的两个负指数关系，并被大量的观测所证实。
By means of the null point, growth index analysis and displacement distance plot, the authors discussed the process of negative structure inversion.
采用零点、距离位移曲线和生长指数等定量分析方法，讨论了断裂的构造负反转过程。
General information and body mass index (BMI) of the patients were recorded, and the clinical symptoms were assessed with the positive and negative symptom scale (PANSS).
同时观察记录患者的一般资料、体质量指数等，并用阳性及阴性症状量表(PANSS)评定患者的临床症状。
The negative impact of Hydrogen in the plasma to the refractive index is proved to be negligible.
并论证等离子体中氢对折射率的负影响可以忽略不计。
Conclusion: The masticatory efficiency of 7~9 year-old children was negative correlated with caries status index, and filling of decayed teeth can significantly increase masticatory efficiency.
结论：7~9岁儿童咀嚼效能与患龋状况存在直线负相关关系，龋病充填治疗可显著增加患龋儿童的咀嚼效能。
Mobile ion transient equations are solved with MATLAB and the time-dependent distributions in the forms of negative-index exponential function are obtained.
利用MATLAB求解了运动离子瞬态方程，得到了与时间相关的负指数形式分布函数。
These two methods were extended, and a series of internal structure images of the general Mandelbrot sets for negative real index number were given out.
文中将这两种方法进行了推广，给出了一系列负实数阶广义M集的内部结构图。
The transmission through one-dimensional photonic crystal coupled-resonator containing defect layers with negative refractive index is studied by using transfer matrix method.
利用转移矩阵方法研究了含双负缺陷的一维光子晶体耦合腔的透射谱。
The transmission through one-dimensional photonic crystal coupled-resonator containing defect layers with negative refractive index is studied by using transfer matrix method.
利用转移矩阵方法研究了含双负缺陷的一维光子晶体耦合腔的透射谱。
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