查询词典 directivity

The forward directivity velocity pulse generated by strike slip fault in full space is studied.

本文在均匀弹性全空间中对走滑断层附近方向性速度脉冲作了定性研究。

The theoretical curve of the sound directivity which is influenced by the laser beam radius is drawn by the numerical method and drawing software.

讨论了激光束半径对声源指向性的影响，并用数值计算方法和绘图软件，画出激光束半径对声源指向性影响的理论曲线图。

Compared to traditional method,this approach replaced tuning capac-itor with PIN diodes,made use of its characteristics of variable impedance to adjust the impedance through the bias voltage to achieve the autotuning of directivity.

与传统方法相比，该方法采用PIN型二极管代替调节电容，利用其阻抗可变特性，通过偏置电压来调节匹配阻抗，最终实现定向耦合器的自动方向性调节。

A kind of acoustic phased arc array with circumferentially controlled directivity presented in this paper can be used to make acoustic logging with circumferential azimuth detection function.

为了实现声波测井的周向分辨能力，提出了可应用于声波测井的、具有周向辐射指向性的相控圆弧阵声波辐射器方案。

Interestingly, AQP4 distribution in glial cells and ependymal cells showed certain directivity, but the former was mainly in the membrane side contacting with capillary endothelial cells and the latter mostly in the basolateral membrane of ependymal cells.

AQP4在正常兔脊髓内具有广泛的表达，其表达的解剖定位提示AQP4在脊髓内主要参与水分子的转运及平衡调节、电解质代谢，并受局部调节以适应特殊的功能需求。

And the nonsinusoidal radar signal's space-temporal correlation means, that from one side there is change of signal form depending on radiation or receiving directions, from other side, there is the change of antenna directivity characteristics depending on signal form.

而天线的时空相干性又表明，非正弦波信号的空间位置影响其时域波形，反过来，距离分辨力也影响角度分辨力。

The failure of gateway excavated in remarkably unisotropic rock and loaded non-uniformly has obvious directivity.

回采巷道在不均匀受力和显著各异性的围岩环境中产生的破坏具有显著的方向性。

Grading criteria: Grade 0 is normal. Grade Ⅰ is that the right forelimb bends. Grade Ⅱ is that the right forelimb grasped weakly when the tail is lifted. Grade Ⅲ is that the rat has no directivity in automatic action and circumrotates to right when the tail is lifted.

分级标准：0级：正常；1级：对侧前肢屈曲；2级：提尾时，对侧前肢抓力减弱；3级：自主运动无方向性，提尾时向对侧旋转；4级：自主运动时，向对侧旋转。

The second part presents a solution for miniaturizing microstrip loose coupler with high directivity.

在论文的第二部份，提出了一种设计架构，能有效缩小微带平行弱耦合器的面积，并保有高指向性的效能。

As for bright quenching oil, the directivity of oil flow is very significant in the quenching tank and its effective quenching zone is much narrower than water because its kinematic viscosity is much bigger than the latter.

光亮淬火油在淬火槽内的流动方向性非常强，它在淬火槽中的有效淬火区域比水的狭窄得多，这是因为光亮淬火油的运动粘度比水大得多。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。