分析了点声源组和线声源的指向性。
The directivity of the group of the point source and the line source is analyzed.
后来又发现了磁石的指向性。
警察的力量锻炼方法具有较强的指向性特征。
The police's strength exercise method has stronger directional characteristics.
声反射器广泛用于高音扬声器的指向性控制。
Acoustic reflector is widely used in dome speaker for sound energy dispersion redistribution.
它是智能天线指向性发射与接收的重要的技术基础。
It is an important support of smart antenna directional transmitting and receiving technology.
他们虽然存在着差异性，但其最初的指向性是一致的。
There are difference between them but the direction of beginning are identical.
推导出了此类换能器的远场指向性和近场声压的表达式。
The eXpression of directivity of far field and near field was derived.
具有垂直方向指向性的接收基阵对入射声波有方向加权效应。
The receptive array with directivity in the vertical plane has weight effect on the incident wave.
实践思维是指向性非常明确、立足现实问题的分析与解决的思维。
The practice thought is the highly pertinent thought that based upon analyzing and solving the problems of realism.
服务职能的内涵表现为社会指向性、直接现实性和学术性的统一。
The connotations of service function embody the unification of social direction, direct reality and academia.
线性失真-频率响应，指向性响应，共振，主要影响音色和清晰度。
Linear distortion - frequency response, polar response, resonance - affects primarily the timbre and clarity of a loudspeaker.
铁路列车运行噪声的水平指向性是铁路列车噪声辐射的重要特性之一。
The horizontal direction of train running noise is a important character of train radiating noise.
叙述了该矢量水听器的设计方法，给出了相应的灵敏度和指向性测试结果。
Detailed design of the vector hydrophone is described and the experimentally measured sensitivity and directivity characteristics are given.
以TMS320VC33数字信号处理器为核心设计了一种指向性扬声器。
A directional loudspeaker based on the TMS320VC33 digital signal processor is presented in the paper.
声频定向扬声器是利用参量阵原理，产生高指向性声频信号的新一代扬声器。
Audio directional loudspeaker is a novel loudspeaker which can generate an audio signal with high directivity by utilizing the parametric array principle.
读者主体具有阅读目的的指向性、阅读的直接性、接受的功用性等阅读特点。
The main body of readers has some characteristics such as directionality, directness and practicability.
力量训练方法具有较强的指向性特征，方法不同，效果不同，甚至完全相反。
Method of resistance training has very directive character. The different method results in different effect or fully contrary effect.
声纳指向性研究是声纳设计的基础，同时也是影响声纳战术运用的重要环节。
As be known, it is the base work for sonar designer to study beam pattern, and also make very important actions in naval tactics.
本文通过实验模拟的方法研究了声波测并相控线阵声波辐射器的指向性测量方法。
The paper studied the measurement method for directivity of phased-array acoustic transmitter in acoustic log by experimental modeling method.
本文探讨了在传感器阵的指向性设计中利用振幅束控提高系统定向精度的一种方法。
The article studies a method of raising directional precision by amplitude shading in sensor arrays directivity design.
态度也是有明确的指向性的，能够影响一个人的行为、一个群体的理念，并且产生共鸣。
Also, attitude is explicitly orientated, affecting the personal behavior as well as the collective concept so as to introduce resonance.
本文讨论比较一般的指向性辐射器在分层介质中的声场，并将指向性概念应用于简正波计算。
In this paper, the sound field of a more general directional radiator in a stratified medium is treated, and the concept of directivity is applied to calculation of the normal modes.
笔者从图书馆的软硬环境建设以及对阅读行为的指向性服务，论述“阅读场”的生成与保持。
On the view of the construction of the hard and soft environment and reading guidance, the article describes the creation and maintenance of the reading atmosphere.
推荐铁路列车运行噪声几何发散损失计算采用偶极子指向性特性的理论计算公式或简化公式。
It recommends that the calculation of geometrical spreading loss of running trains noise adopt the theories calculation formula or the simplified formula of directional characteristic of dipole.
小指的是物理维度和其辐射的声波相比很小，或者其外形不会和该点声源指向性响应发生干扰。
"Small" means that the physical dimensions are small compared to the wavelength being radiated or that the shapes do not interfere with the polar response of the point source.
提出了一种利用空气中超声波非线性传播效应制作的、可产生高指向性可听声的新型声束扬声器。
A novel audio beam loudspeaker which based on nonlinear propagation effects of ultrasonic in the air to generate audible sound with high directivity is presented.
结果多种致热性细胞因子和负调节介质共同作用，使机体温核集团对致热原作用发生指向性调控。
Pyrexia is an effect due to pyretic cytokine and negatively regulating factors, the reaction is about the regulatory increasing of temperature caused by the response of pyrogen from the body.
艺术品的使用价值与一般商品的使用价值相比，具有审美指向性、自然持久性和多重消费性等特征。
Use value of art and the general value of goods, compared with a directional aesthetic, natural durability and multiple consumer and other features.
艺术品的使用价值与一般商品的使用价值相比，具有审美指向性、自然持久性和多重消费性等特征。
Use value of art and the general value of goods, compared with a directional aesthetic, natural durability and multiple consumer and other features.
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