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。
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。
Is this a double negative denial?
这是不是一个双重否定的否认？
In a committed relationship, you can not not communicate (pardon the double negative).
在一段忠实的婚姻中，你不能不沟通(原谅我用了双重否定)。
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。
You have to wind on after taking a picture, or your negative will be double-exposed.
照完一张照片后必须过卷，否则底片会重复曝光。
The result is a double-layer distribution of charges-for example, a plane of negative heads and an adjacent diffuse cloud of positive counterions.
这就产生了电荷的一种双层结构分布——比如说一个负电荷的平面和紧邻着弥散着的带正电的相对离子云。
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 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。
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。
It also discovers that the grammatical placement has nothing to do with the semantic misplacement, but exerts remarkable effect on the occurrence of the double negative modalized statements.
英汉语言模态句中否定词的语义错位与其语法位置无关，但双重否定句却与否定词的语法位置有密切关系。
Network is a "double-edged sword," when it provides a great convenience for the students' study life, it also has serious negative effects upon the college students' morality.
网络是一把“双刃剑”，它在给大学生的学习生涯提供极大便利的同时，也给大学生的思惟道德带来严峻的负面影响。
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。
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。
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。
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。
The Indian nationalistic movement embodied the negative and the positive double effect came from this conception which had hazard about the creation of the modern Indian nation.
这种主张在印度民族主义运动和现代民族国家建构中，既有积极作用也有消极作用。
The peripherization of literature, which is a literary phenomenon, is just like a double-edged sword that is of both positive significance and negative influence.
作为一种文学现象，文学边缘化对文学而言，就好比是一把双刃剑，既有积极意义，也难免有消极影响。
The appearance of double bands in several inbred lines by some primers was probably caused by electrophic difference between positive and negative DNA chains.
在试验中某些引物在亲本自交系中出现双带，分析认为可能是由于正负链电泳行为差异造成的。
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 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。
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