Reflection phase properties of one-dimensional photonic crystals(PhCs)with mu-negative or double-negative materials are investigated by the transfer matrix method.
运用光在介质中传播的特征矩阵方法，通过数值计算，研究了一维光子晶体结构对光子禁带的反射光相位的影响。
Is this a double negative denial?
这是不是一个双重否定的否认？
Admittedly, this property is a confusing one because it reads like a double negative, but by default, all read and unread documents are tracked in a database.
大家都认为这条属性令人费解，因为它读起来像是一个双重否定句，但是在默认情况下，数据库中所有已读的和未读的文档都会被跟踪。
The lofty jobless rate, coupled with a large backlog of home foreclosures and high levels of negative home equity, posed risks of a "double dip" in the housing market, it said.
IMF在报告中表示，居高不下的失业率，再加上房屋止赎(home foreclosure)问题积压严重、房屋负资产值持续保持高水平，使得美国房地产业陷入双重危机。
In languages that have negative concord, such as Spanish, Polish and Hungarian, the double negative intensifies the negation.
在有否定和谐的语言中，比如西班牙语、波兰语和匈牙利语，这种双重否定会加重否定。
The double negative sentences in English is a tremendous difficulty for beginners in their learning of English.
英语中的双重否定句是初学英语者学习句法的难点之一。
This paper discusses some special negative structures in English, such as transferred negation, double negation, implied negation, partial negation and entire negation.
本文探讨英语语言中一些特殊的否定结构，如转移否定、双重否定、隐形否定、部分否定和全体否定等。
However, there is no language wherein a double positive can form a negative.
然而，没有任何语言其双重肯定能表示否定的语义。
Based on load transferring concept, this paper puts up a new method which USES double broken line model to calculate the negative friction of pile.
基于荷载传递函数的概念，提出了一种用双折线模型来计算桩负摩阻力的方法。
Based on load transferring concept, the author puts up with a new method which USES double broken line model to calculate negative friction.
本文基于荷载传递函数的概念，提出了一种用双折线模型来计算负摩阻力的新方法。
Geological environment have double attribute of resources and calamity. Unreasonable exploitation of resources, will lead to negative environmental effect.
地质环境具有资源与灾害的双重属性，不合理的开发利用将引发环境负效应，其影响具有扩散性与延滞性。
Geological environment have double attribute of resources and calamity. Unreasonable exploitation of resources, will lead to negative environmental effect. The effect is expandable and postponable.
地质环境具有资源与灾害的双重属性，不合理的开发利用将引发环境负效应，其影响具有扩散性与延滞性。
A model for simplified second order analysis of the double resistance to lateral force system is built on the basis to transform second order effect into negative stiffness.
为简化双重抗侧力体系二阶分析，将结构的二阶效应转化为结构的负刚度，从而建立分析模型。
The performance of negative sequence directional element widely used in conventional transmission line protection may be affected when it is used in the double transmission lines on the same tower.
由于同杆双回线自身的特殊性，使得在常规线路保护中有着广泛应用的负序方向元件的性能受到影响。
Figures in Zhang Ailings works were both valuable and valueless, positive and negative, that disclosed her exquisite double faced creative mind.
张爱玲笔下的人物有价值和无价值并存，肯定和否定同在，展示出她细腻复杂有着两面性的创作心态。
The traditional taboo of the Tujia nationality is a double - edged sword, which has both positive and negative influences on the life of Tujia nationality.
土家族传统禁忌是一把双刃剑，对土家族精神生活与物质生活有积极意义和消极作用，二者共生互存，杂于一体。
However, in languages that do not have negative concord, such as Standard English and German, a double negative is understood to resolve into a positive.
然而在那些不具有否定和谐的语言中，比如标准英语和德语，双重否定会形成肯定。
In some languages, though, such as Russian, a double negative is still a negative.
在有些语言中，比如俄语，双重否定仍然表示否定。
And don't say 'won't never,' Jarred. It's a double negative.
而且不要说‘不会永远决不’，贾里德，那是双重否定。
You cannot have a negative sentence after unless because that would make the sentence a double negative and senseless.
在unless之后不能接否定句，因为这就造成了双重否定，句子没有意义。
Athletics likes a sword with double blades which can bring us not only physical and mental joviality but also the negative influence on the society.
竞技体育犹如一把“双刃剑”，在给人们带来身心愉悦的同时，也给社会带来一些负面的影响。
This double usage of language, which gives to the same word a positive and negative meaning, is not an accident, and gives no ground for reproaching language as a cause of confusion.
这个词的两种用法，使得其具有积极和消极的两种含义，这并不是偶然所为，也不能因此指斥语言产生混乱。
The tristable resonant tunneling devices(RTD)with a double negative differential resistance in its I-V characteristics have a high current ratio(5.
在I-V特性曲线上具有双微分负阻的三稳态共振隧穿器件，室温下可以达到较高的电流峰谷比5。
The system used double negative feedback, and the type of control is PI control.
系统采用双闭环负反馈控制，控制类型选择PI控制。
HOMA-IS and HOMA-IR were successively reduced in antibody negative group, single positive group and double positive group(P<0.001).
IS指数及HOMA-IR指数在抗体阴性组、抗体单阳性组及双阳性组依次降低，差异有显著性（P<0.001）。
The internet technology is a double-edged sword:while it is extending human capability, it also brings about some negative effects.
网络技术是把“双刃剑” ，它在延伸人类能力的同时，也存在负面影响。
The internet technology is a double-edged sword:while it is extending human capability, it also brings about some negative effects.
网络技术是把“双刃剑” ，它在延伸人类能力的同时，也存在负面影响。
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