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- Left-handed materials are materials that have simultaneously negative permittivity and negative permeability. 左手材料是一种介电常数和磁导率同时为负值的材料。
- It is also demonstrated that the negative permittivity and permeability frequency band of DNM could be turned by changing the DNM structure cell. 通过改变双负材料的结构单元可以实现对负介电常数和负磁导率频段的调控。
- Left-handed materials (LHM) have been concerned in recent years for its special electromagnetic characteristics of both negative permittivity and permeability. 摘要左手材料因其具有介电常数和磁导率同时为负值的电磁特性，近年来得到科学界的广泛关注。
- Metamaterials negative permittivity 负介电常数
- Keywords Left-handed material;negative refractive index;equivalent circuit model;negative permittivity;negative permeability;split-ring resonator; 异向介质;负折射率;等效电路模型;负介电常数;负磁导率;开路环谐振器;
- The answer to my request was in the negative. 对我的请求的答复是否定的。
- Bae-lan Wu.Tomasz.M.Grzegorezyk.Yan Zhang Guided modes with imaginary transverse wave number in a slab waveguide with negative permittivity and permeability 2003(11 杨立功.;黄弼勤
- His answer to my request was a negative. 我的请求遭到了他的拒绝。
- The tests for hepatitis were negative. 肝炎检查结果是阴性。
- Their criticism was not negative. 他们的批评并不是负面的。
- Do a blow-up of this corner of the negative. (对某事的)详尽的报道。
- negative permittivity 负介电常数
- I have a negative opinion on the value of this idea. 我对这个主意持反对意见。
- How many copies do you ask us to print off from the negative? ＂用那张底片，你要我们印几张像片？＂
- A way of producing the negative of a number by obtaining its complement. 一种通过求一个数的补码来得到该数的负数的方法。
- The positive or negative character of a proposition. 命题的性质命题的肯定或否定的性质
- An electron with a negative charge, as contrasted with a positron. 电子带有负电荷，与正电荷相反的电子
- A negative reaction to the new advertising campaign. 对新广告的宣传手法持反对立场
- The unary minus produces the negative of the value. 一元减号得到的运算对象的负值。
- Altering the meaning of a term from positive to negative. 表否定的将一个词的意义由肯定变为否定的
