查询词典 radio transmission

We study the relationship between microstructure and luminescence efficiency for GaN heteroepitaxial films by cathodoluminescence,transmission electron microscopy,and X-ray diffraction.

用阴极射线致发光法、透射电子显微镜和X射线衍射法研究了异质外延GaN材料的发光性质与结构特性的关系。

Transmission electron microscopy, electroluminescence, and cathodoluminescence measurements were performed to study the recombination mechanism of the InGaN QWs. It was found that there are different widths of quantum wells in TEM images.

在透射电子显微镜下可以发现量子阱的宽度不一致，电致发光谱发现了位于2.45eV的绿光发光峰和2.81eV处的蓝光发光峰。

Because of more and more netizens no longer pleasant is become the receiver of information, be willing to become the production of information and peddler more, in the transmission cavalcade that they hope to join the Olympic Games, whether can this affect the enthusiasm of Olympic Games of the whole people, also be worth to discuss.

因为越来越多的网民不再甘当信息的接收者，更愿意成为信息的制造和传播者，他们希望加入奥运会的传播行列之中，这是否会影响到全民奥运的热情，也值得探讨。

A basic theory for constructing cavity resonator with a kind of slowwave transmission lines is presented, the procedure of determining sizes of cavity for a designed resonant frequency is proposed.

分析了盘荷同轴型谐振腔的TM慢波模式，并给出TM主模特征值和谐振频率的计算方程，证明了单一的TM高次模不能作为慢波模式单独存在于这种谐振腔之中，必须由多个高次模共同组成一个谐振模式。

Seem that celestial body has powerful strength; it can steady controls that transmission of the light, at 24 hours of a day , at 365 days of a year, in self system.

似乎， 天体有强有力的力量；它可能稳定光传输，在一天24 小时，在一年365 天，在自已系统的控制。

In order to study the relationship between price fluctuation and transmission dynamic structure of the predictions, this article presents an artificial stock market model based on cellular automaton.

为了探索价格预测信息传播动力结构与市场价格波动特征之间的关系，建立了一个基于元胞自动机的人工金融市场模型。

For longer distance, wireless communications can also take place through cellular telephone technology, microwave transmission, or by satellite.

作较长时间的距离，无线通讯也可以通过移动电话技术，微波传输，或由卫星。

Librarians, as the central force of library administration that contribute to the development of society through the transmission of the memories of nations and the humankind, have heavy responsibilities.

图书馆馆员作为图书馆管理的重要力量，通过传递国家和人类记忆，在促进社会发展中担负着重大的责任。

At the central frequency of the reduced units 0.5(ωa/2πc), when the transmission band of photonic crystaln is completely inside the band gap of photonic crystalmm, both sharing the same central frequency as their symmetry centers, mirror symmetrical photonic quantum well is formed.

针对光子晶体mnm模型，选择适当的结构参数，通过传输矩阵法对其透射谱进行计算模拟发现，在归一化中心频率0.5(ωa/2πc)处，当光子晶体n的导带处于光子晶体mm的禁带中，且两者均以中心频率处为对称中心时，构成镜像对称的光子晶体量子阱结构。

So there is a great need to develop one kind of transmission system which is used in Centrifuge of Outer Space Life Science Experiment.

所以研究适用于离心机的信息与能量传递方法，并开发相应的实验装置，对我国开展空间生命科学实验研究是十分必要的。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48