杆

So, some research on plane steering six-bar linkage has been done in this project as follows: based on the condition equation of correct steering and the equations of two closed loop of steering mechanism, a set of three equations in three variables can be obtained after a variable is expurgated with the elimination method.

本课题对平面转向六杆机构进行了如下的研究：根据转向条件方程，与转向机构的两个闭环方程，采用消元法消去一个未知变量，得出了转向六杆机构关于输入角的目标函数方程；利用边界条件，得出一个包含三个变量、三个方程的方程组

Made a systematic analysis to the simulation results and educe these conclusions: The reinforcement action of pre-tensioned bolts supporting joints rock mass mainly externalizes in creasing the interlayer-pressure and roadway roof pressure.

预应力锚杆对层状顶板的加固机理是增加层间正压力，从而降低节理面之间的滑动位移，控制顶板离层量，降低巷道位移。预应力锚杆支护，是提高煤巷节理顶板稳定性的有效方法。

The obtained results are shown that the anchor bolts supports in the fissured rock mass is good to raise the safety of the whole structure of grottoes.

结果表明，锚杆的加固作用是明显的，在有裂隙的部位打入锚杆对石窟整体结构的安全性是有益处的。

By analyzing the forging process of double frustums sucker rod and using rigid visco-plastic material model and 3-D coupled FE simulation, the whole forging procedure are analyzed and simulated with finite element analysis software DEFORM. The results indicate the inner stress field, strain field, metal flowing law and forging travel-load curve during the forming procedure. The forming statuses, causation of defect of workpiece are predicted and so on.

通过对抽油杆镦锻工艺的分析，并采用刚粘塑性材料模型与有限元耦合的方法，运用有限元分析软件DEFORM-3D对双圆台抽油杆的成形过程进行了模拟，获得了成形过程中的内部应力、应变、金属流动规律及行程――载荷曲线，预测分析了工件成形状况、可能产生的主要缺陷的形式、部位和原因。

Based on the theory of hanging on laneway roof with roof bolt and taking the bolt as base point, this new preceding support can work in the free space on the laneway roof, allowing other equipments such as the entry-driving machine work at the same time, thus improving the utilizing efficiency of the laneway. On the cirques track of bolts, its three groups of claw, which are driven by hydraulic force, work as fulcrums to one another to push the support move forward.

基于顶板锚杆悬挂理论，以锚杆为基点，采用自制圆形梁为执道，以液压力驱动3组机爪互为支点实现超前支架在巷道顶部空间的迈步前移，采用具有顶板适应性的变运动方向平行四边形机构作为超前支护机构，来实现超前支架的支护作业。

Characteristics of wave propagation in grouted rockbolt were investigated with numerical simulation, experimental measurement and theoretical analysis.

用理论分析、数值模拟和实验测试的方法研究了自由锚杆和锚固锚杆中的波传播特性。

And, the design of grouted helix anchor can adopt the partial material safety factors method.

FRP螺旋锚杆若采用分项安全系数法进行设计，能充分地考虑FRP筋对锚杆安全性能的影响。

Research results show that when the frequency of excitation signal is within 10kHz to 100kHz the wave in free bolt and grouted rockbolt is guided wave which is related to its boundary conditions. Waves with different frequencies have different velocities.

研究结果显示在测试激发波的频率范围内(10~100 kHz)，锚杆中传播的波是一个和边界条件相关的导波，不同频率的波在锚杆中传播的速度不同。

I holed out in 4, but my brother holed out in 3, so he won that hole.

我用4杆把球打入洞内，但我兄弟只用了3杆，所以他赢了。

Methods Three kind of palatal connecter palatal bar, anterior-posterior-lateral palatal bar, palatal plate were used to retain RPDs. Then food chip was masticated between the upper and lower dentitions on left side.

运用上领双侧游离缺失模型，制作三种腭部大连接体，分别为中央开&天窗&的腭板、前后侧腭杆和腭杆的可摘局部义齿。

Recall that, in the Kolmogorov axiomatization, measurable sets are the sets which have a probability or, in other words, the sets corresponding to yes/no questions that have a probabilistic answer.

延期开工的Kolmogorov宣布要衡量所有套职能有限许多坐标限制在于衡量子寅。换句话说，如果是/否的问题回答f可看的价值观念在许多最有限坐标，然后它有一个概率的答案。

The experimental results showed that the algorithm can filter singular points and remain fixity of the target edge.

实验表明：基于模糊理论的图像智能滤波方法比常规图像滤波方法运算量小，它既能去除奇异点，又能保持图像中目标的边缘不变性，具有很好的滤波效果。