挠

Comparing different frequency measurement methods of vibrating beam component ( VBC) a non-contact instantly excited technique of frequency measurement of VBC using diffused reflection optical triangulation is developed.

分析比较了薄片式挠弹性器件自振频率测量的不同方法，进而提出了应用漫反射激光三角法实现对薄片式挠弹性器件进行非接触瞬态激励测量。

She was scrabbling at the earth with her fingers.

她用手指不断抓挠着泥土.

This paper describes an optical link deflection sensor and its application in a flexible multi-link robot system.

描述了一种光学机械臂挠性偏差检测装置及其在多杆挠性机器人系统中的应用。

My cheeks itched and when I scratched them I found tears.

我的脸颊有点发痒,我一挠,原来眼泪淌下来了.

Their delegation threw a giant monkey wrench into the process this week by raising all sorts of petty objections.

他们的代表团本周提出了各种细枝末节的反对意见，极在地阻挠了进程。

A new method is promoted for flexible spacecraft control by describing flexible spacecraft dynamics equations as T-S fuzzy model and designing a PDC fuzzy controller.

将挠性航天器姿态动力学方程描述为T-S模糊模型为挠性航天器控制提供了新思路；

Vibration reduction of flexible satellite using pseudo rate modulated thrusters and smart materials during attitude maneuvers

挠性飞行器姿态机动的振动抑制基于PZT和脉冲调制控制的挠性卫星振动抑制

A compliance coefficient is a particular kind of flexibility-influence coefficient.

柔度系数是挠曲影响系数的一种特殊类型.

Results show that: ( 1) In the bending process of the I-shaped structural beams of bamboo, the axis of symmetry of the deflection value in the middle and both sides are diminishing symmetrical distribution, the deflection value of hinged fulcrum position is essentially unchanged.

结果表明：（1）竹质工字型结构梁受弯过程中，竹质工字型结构梁挠度值以中间为对称轴两侧呈递减对称分布，两端简支点位置的挠度值基本没有变化。

John yawned and scratched his chin.

约翰打个哈欠，挠挠下巴。

Vertical elements carry sufficient load through cantilever action to produce cantilever deflections equal to arch deflections.

垂直杆件则借悬臂作用产生和拱挠度相等的悬臂挠度,来承担足够的荷载.

Its claws lacerated his thighs.

它的爪子挠伤了他的大腿。

He scratched his head and prepared to go down town.

他挠了挠头,打算去商业区了.

The old man lifted his cardigan to scratch his side.

老人撩起开襟毛衣挠了挠身体的一侧。

A new and simple proving method on the famous theorem of total torsion," The total torsion of closed spherical curve is zero", and two generalized theorems for the. theorem are presented in the paper.

本文给出了关于全挠率的一个著名定理：球面闭曲线的全挠率为零一个新的简单证法，并且给出了这个定理的两个推广定理。

I had to wear long sleeves to stop myself scratching.

我只好穿上长袖衣服以免自己挠痒。

He scratched himself under his arm.

他在胳膊下面挠了挠。

The equations of shallow spherical reticulated shell were obtained by adding the equations of middle cross section of the three-dimensional reticulated frame and initial deflection to the equations of three-dimensional reticulated frame.

用圆形三向网架大挠度方程再加上三向网架中截面方程和初始挠度就得到三向网格扁球面网壳的大挠度方程。

By giving the definitions of geodesic main torsion and torsion line, discussing their some properties.

给出了测地主挠率和挠率线的定义, 讨论了测地主挠率和挠率线的一些性质.

The Newest Progress of Base Material used in Flexible PCB ( 2)& New Achievements of the Development of Three-layer Type FCCL

挠性PCB用基板材料的新发展（2）&三层型挠性覆铜板的开发新成果

The wolf clawed at the tree and howled the whole night.

这匹狼用爪子挠着树，嚎叫了整晚。

He rubbed the back of his neck and smiled ruefully at me.

他挠了挠脖梗儿，对我苦笑了一下。

The messenger bent and scratched at his knee where the strapping chafed.

送信人弯下腰来，挠着膝部被绑腿磨红的地方。

reciprocity, "you scratch my back, I'll scratch yours;"

互惠心态：“你帮我挠背，我帮你挠背，”

It tickled the hairs on the back of my neck.

它挠得我后脖梗儿的绒毛直痒痒。

The three-axis attitude stabilization system of the flexible satellite has been studied, in which three basic vibration modes of the solar array have been considered.

在挠性卫星动力学模型的基础上，建立了只考虑太阳帆板三阶振动模态的挠性卫星三轴姿态控制模型。

Aiming at the characteristic of bridge dynamic deflection signal, and the requirement for the frequency characteristic of measuring transducer, after reviewing several measuring methods, the authors put forward a convenient and effective method for measurement of bridge dynamic deflection with seismic low frequency vibration transducer.

针对桥梁动挠度信号的特点及其对测试传感器频率特性的要求，分析动挠度的几种测试方法，从而提出采用地震式低频振动传感器测量桥梁动挠度。

His ears wiggled if you scratched his chin.

如果你挠他的下巴，他的耳朵就会摆动。

The beams with flexible support have translational and rotational degrees of freedom.

挠性根部梁具有整体平动和转动自由度,其传统模型只适宜根部挠性很小的梁.

Scratch my back—I've got an itch.

帮我挠挠背——有点痒。