定向

dìng xiàng
  • directional;orient;orientation;sense of orientation;direct;bearing
定向定向
定向 [dìng xiàng]
  • (1) [direct]∶使转向指定的方向

  • (2) [orient]∶指向一化合物(尤其是环核)中的给定位置

  • 硝基定向效应

  • (1) [orientation]

  • (2) 拓扑空间中指向或方向的一种选择

  • (3) 有关目前的时间、位置和人的辨认的意识

  • (4) [bearing]∶相对方向(如以指南针或界标为准)

定向[dìng xiàng]
  1. 碟形卫星天线的定向性非常强。

    Dish aerials are highly directional

  2. 对准福雷斯特小屋的定向扩音器在几百码远的地方也能捕捉到里面的人所说的任何一句话。

    The directional microphone trained on Foresters Cottage could pick up every word uttered inside at several hundred yards .

  3. 要求首相就这一决定向议会作出解释。

    The Prime Minister has been asked to justify the decision to Parliament .

  4. 他们就这一决定向这位官员提出了抗议。

    They remonstrated with the official about the decision .

  5. 这种变换由六个要素决定:三个平面要素和三个定向要素

    The transformation is specified by six parameters : three translational and three orientational .

  6. 影像完整记录了火星进出视野、发动机点火后探测器轻微震动和探测器从火星白天飞入黑夜的过程,太阳翼、定向天线、火星大气层及表面形貌清晰可见。

    The video fully , Martian atmosphere , and surface morphology are visible in the video .

  7. 这是有道理的,因为依靠单一的线索来定向,比如其体内的生物罗盘,可能使它们对变化十分敏感。

    It makes sense - as relying on a single navigating3 cue , such as an inbuilt compass , could render them sensitive to change .

  8. 科学家们说,了解鱼、兽和鸟类的定向方式可以帮助他们弄清楚如何保护濒危动物以及哪些因素可能影响这些动物的行为。

    The scientists say that understanding how fish , animals and birds navigate4 could help them figure out how to protect those that are endangered , as well as what factors might affect their behaviour .

  9. 分子motor定向输运的反常扩散机制

    Anomalous diffusive mechanism of directed transport of molecular motor

  10. 单频GPS定向系统研究

    Research on Direction Finding System with GPS Single Frequency Carrier Phase Measurements

  11. 对重组子测序结果表明,实现了DNA小片段和酶切位点的定向引入。

    The results showed that the sites and low molecular weight DNA were successfully introduced .

  12. 方法利用CT引导立体定向术,置管定期抽液与化疗。

    Methods Chemotherapy and regular drainage were performed by placing vessel under CT-guided stereotactic operation .

  13. 波导平面电路定向耦合器及CAD

    Waveguide Planar Circuit Directional Coupler and CAD

  14. P,Zr,B对定向凝固IN738合金组织和偏析的影响

    Effects of p , Zr and B on Microstructure and segregation of directionally solidified in 738 super alloy

  15. 金属/气体共晶二维定向凝固放射状多孔Mg的结构特征

    Structural features of radial & type porous magnesium fabricated by bidirectional solidification of metal / gas eutectic

  16. PWM整流器虚拟电网磁链定向矢量控制仿真研究

    Simulation Study on the Virtual Line Flux Oriented Vector Control of the PWM Rectifier

  17. 简单直接的模板表示或简单地对HTTP重新进行定向

    Simple direct template rendering or simple HTTP redirect

  18. 目的研究CT引导下的简易立体定向穿刺术对高血压性壳核出血患者运动功能恢复的影响。

    Objective To study the influence of computed tomographic-guided stereotactic aspiration on motor recovery in the hypertensive putaminal hemorrhage ( HPH ) .

  19. 重型高血压脑出血CT定向锥颅碎吸溶解引流术及术后早期康复治疗的临床研究

    Clinical study of early rehabilitative treatment of severe cerebral hemorrhage after skull-penetrated breaking , suction , solution and drainage of hematoma oriented with CT

  20. GaAs对称定向耦合光开关的研究

    Study of GaAs Symmetric Directional Coupler Switch

  21. 目的探讨立体定向穿刺系统(Pinpoint系统)在多层面螺旋CT(MSCT)的临床应用价值。

    Objective To evaluate pinpoint stereoscopic system in multislice CT ( MSCT ) guided biopsy .

  22. TiAl籽晶制备及定向全片层组织的研究

    TiAl Seed Preparation & Fully Lamellar Structure Control Through Seeding and Directional Solidification

  23. 详述了GPS定位和陀螺定向在大型贯通测量中的应用,并总结了煤矿测量的成功经验。

    This paper elaborates the application of GPS and gyro-position technique in large-tunnel pass-through measurement , sums up successful experience of mine measurement .

  24. 用简单的气相化学反应法,在1230℃条件下,于多孔阳极Al2O3薄膜上合成出大面积高度定向的β-SiC纳米线阵列。

    Large-scale highly ordered SiC nanowires arrays were prepare in anodic alumina membranes by simple vapor-chemical - reaction approach at 123 0 ℃ .

  25. 提出了一种在X波段工作的高定向性的微带线定向耦合器结构,该结构在微带线两端和中间同时加入补偿电容以实现高定向性;

    A kind of X-band microstrip directional coupler with lumped capacitors at the two ends and the centre of microstrip to realize high directivity is introduced .

  26. 目的:介绍磁共振成像(MagneticResonanceimaging,MRI)引导下的立体定向基底节区血肿纵向抽吸引流术的优越性和体会。

    Objective To report the superiority and experience of magnetic resonance imaging ( MRI ) - guided stereotactic longitudinal aspiration and drainage of hematomas of basal ganglia region .

  27. 微流体泵的定向净流量主要来自于Navier-Stokes方程的非线性。

    The directional flow rate of the pump is governed by nonlinearity of Navier-Stokes equations .

  28. 苹果试图通过这一保护隐私规定,凸显自己与竞争对手谷歌(Google)的不同。后者的许多收入来自定向广告。

    The privacy clampdown comes as Apple seeks to differentiate itself against rival Google , which relies on targeted ads for much of its income .

  29. KDP晶体在激光倍频过程中的自动定向

    Auto - orientation of KDP crystals in laser frequency doubling

  30. 对钛合金中的TiC,用重力法和定向凝固法制备试样,分析研究了其中TiC形态及生长方向。

    Morphology and growing direction of TiC in titanium alloy has been investigated by gravity and directional solidification technique .