查询词典 direction-finding

Sooner or later the country will wake up and realise the MAS economic model is headed in the wrong direction, says Victor Hugo Cárdenas, an Amerindian academic and former vice-president.

玻利维亚迟早会醒过来，并了解社会主义运动党经济模型走向错误方向」，前副总统和印地安学者Victor Hugo Cárdenas表示。

Results:Regulating the body temperature in dual-direction,Fr.A could antagonize the decrease of HSP contents of hypothalamus in hypothermal rats induced by aminopyrine, and abate the HSP content in febrile rats induced by yeast.

结果：Fr.A在双向调节体温的同时，可明显拮抗安痛定性低体温大鼠下丘脑HSP70含量的降低，对酵母性高体温大鼠下丘脑HSP70含量具有一定的降低作用。

In order to figure out the use of compression in the wood preservation aspect, the authors compared the compressed wood samples pretreated with hot water bath or water spraying and compressed preservative-treated wood, which was treated with ammine copper quat-type D preservative solution. The liquid absorption and recovery rate of compression deformation of the compressed wood were determined, as well as the surface hardness, distribution of density and CuO retention in the thickness direction of CPW.

摘要为研究压缩处理在木材防腐方面的应用，该研究测定了经过不同水浴和喷水预处理后的径向压缩木材在胺溶铜季铵盐--D型防腐剂中浸泡后的吸液量和变形回复率，并测定了由此制备得到的压缩防腐木的表面硬度、厚度方向上的密度分布和CuO保持量分布情况。

The resolution in the horizontal direction is limited by how rapidly the analog signal is allowed to change.

水平的方向被限制类比信号有多快的速度决定了其是否允许被改变。

Most of present airborne platforms are analogic control system, digital control system can improve the system general performance, digital control is the development direction of platform systems, digital control has especial techonoly, this paper focus on researching the key technologies of digital control of airborne electro-optical stable platform.

现有的机载平台大多采用模拟控制，数字控制系统能提高系统综合性能，便于系统调试，采用数字控制方式是平台系统的必然发展方向，系统辨识、控制器设计和多采样率问题的研究是数字控制系统研究的关键问题，有关机载光电稳定平台数字控制的这些关键技术研究是本文的目的。

This article research technique mainly is the literature analytic method and the comparison to according to direction.

本文的研究方法主要是文献分析法和比较对照法。

The construction principle of analytical balance style instrument about measuring the center of mass on axial direction and the adjustment method of its sensitivity are described.

本文介绍了天平式轴向质心仪的结构原理及其灵敏度的调整方法；说明了构件轴向质心位置的测量方法及其误差分析。

Free from pollution or little pollution in green analytical chemistry will be the development direction of analytical chemistry .

无污染或少污染的绿色分析化学技术将是今后分析化学的一个发展方向。

An iterative temperature field model of cylinder, in which the non-linear steam temperature distributed along axial direction, was got based on two-dimensional transient heat conduction differential equation. Analytical simulation demonstrates not only a rapid solution convergence but a minor error.

在二维圆筒壁非稳态导热的基础上，得到了圆筒壁内蒸汽沿轴向线性分布，随时间非线性变化的温度场迭代计算公式，并与有限元计算结果作了对比，结果表明所得模型计算精度高、计算速度快。

Shadow effect can not be neglected for thermal analysis of spacecraft,Accroding to the angle between solar light and antenna orbit plane and its orbit location,analytical geometry method was used for accurately calculating solar radiation heat flux distribution of reflector surfaces.To analyze the temperature field under heat flux,the formulations of net radiation flux density between two gray elements and the net flux density of gray surface under external thermal flux were deduced.Based on the characteristic of space environment,the nonlinear temperature distribution in transverse direction of reflector shell self radiation were considered,the finite element formulations were given for orthogonal material layered shell by Galerkin method.A layered element including a inner heat source layer was proposed,and the finite element formulation expressed by DOF of the inner heat source layer were put forward with temperature and heat flux boundarys between adjacent layer.

单馈反射面赋形天线是未来星载天线发展的一个重要形式，分析了基于物理光学、几何光学和几何绕射理论的理想反射面辐射场；介绍了基于几何光学的反射面天线赋形方法；针对赋形过程中辐射场的快速分析要求，比较分析了基于物理光学的Fourier-Bessel和Jacobi-Bessel级数展开方法以及GB展开分析方法；利用GB展开快速分析方法在20GHz频率下对0.6m口径的天线进行赋形分析，实现中国大陆的30dB增益覆盖，通过数值计算研究了固定增益期望下的口径尺寸随频率的变化，以及频率为20GHz的不同尺寸天线赋形后的覆盖目标区域最大增益的变化情况。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。