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。
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。
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 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。
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。
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 paper analyzed three functions of double negative in English, they are, to strengthen the affirmatives, affirm euphemism and strengthen the negative meaning.
在英文阅读和英汉翻译中 ，有些人往往由于对英语中的双重否定现象不甚了解而不能正确理解原文含义。
The author thinks that this literature experienced a double negative process:from the mountains and rivers in literature to the Literature of Mountain and River, then back again.
认为中国古代的山水文学经过了由文学中的山水到山水文学，再回归于文学中的山水这一否定之否定的过程；
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。
This paper presented an adhering mechanism of wall-climbing robots with double negative suckers and analyzed the basic adhering requirements to ensure the robot to adhere to vertical surfaces.
介绍了一种双负压吸盘式爬壁机器人吸附机构，分析了机器人可靠吸附于垂直壁面的基本吸附条件。
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。
If we want to talk about two hydrogen atoms, then we just need to double that, so that's going to be negative 2 6 2 4 kilojoules per mole that we're talking about in terms of a single hydrogen atom.
而要讨论两个氢原子，我们只需要把它乘以二，因此应该是负的，2624，千焦每摩尔，这就是单个的氢原子的情况。
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。
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。
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。
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。
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。
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）。
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。
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。
Negative ACTS are usual phenomena in Sanda, and there is a direct relation with Sanda (Sanshou) competition rules. negative ACTS have double effects.
消极行为是散打比赛常见的现象，其产生与散打竞赛规则的导向有着必然的联系。
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 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。
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