扇形

The debris flow movement on the alluvial fan is simulated with the technology of numerical simulation and GIS.

考虑泥石流在扇形地和沟槽内的运动状态不同，采用不同的方法模拟泥石流在扇形地上和沟槽内的运动过程，更加真实地反映了泥石流的运动和堆积过程。

In order to meet the needs of high-temperature-coiling, thethermal deformation of the hot strip coiler′s segment in the process of coiling is analysed and calculated using the method of FEM.A simulation experiment has been carried out in the laboratory.The thermal deformation magnitude at the vital area has been gained.

文摘：为适应高温卷取的需要，采用有限单元法对1580热连轧机卷取机卷筒扇形板在卷取过程中的热变形进行了分析计算，并在实验室进行了模拟试验，得出了扇形板关键部位的热变形量的大小。

Owing to its cyclic symmetry the complex constraint method for the eigenproblems of cyclic symmetric structure is applied to calculating the eigenpairs of the helical gear structure.

根据齿轮结构的循环对称性，以仅含有一个完整轮齿的扇形子结构作为齿轮有限元计算模型，用计算循环对称结构特征值问题的复约束方法，通过求解一个扇形子结构的特征值问题得到整个齿轮结构的特征值和特征向量。

In this paper, the author estimated the module of quasiconformal mapping in curved fan, by the expression of local maximal dilatation function of quasiconformal mapping, Riemann′ s existence theorem and extremal length method, the author obtained a result of moduler deviation on curved fan.

本文对曲边扇形内的拟共形映照的模进行估计。借助拟共形映照的局部最大伸张函数来表达，利用黎曼存在定理和极值长度方法，得到关于曲边扇形的一个模偏差定理。

In Chapter Ⅲ, the global stability and global attractivity of some planar autonomous systems are dealed with.

第二章考虑平面自治系统同宿轨族的一些定性性态，证明了系统至多存在一个最大椭圆扇形，得到此系统的轨线趋于奇点及同宿轨族、闭轨族、双曲扇形和椭圆扇形的存在性与不存在性的充分或充要条件。

With rotational invariance of circle, image was divided into different sectorial sub blocks in polar coordinates, and the sum of regional pixels was taken as sector eigenvalue. Then a normalized feature space by norming sector feature set was got.

以圆的旋转不变特性为基础，在极坐标下将图像分割为不同的扇形子块，并将各子块区域灰度和作为表示扇形子块的特征，然后对子块特征集进行归一化，所得的归一化扇形特征集作为特征选取的空间。

From these dynamic solutions, frequency and mode shapes of sectorial plate and sectorial annular plate under boundary conditions of GSS and GRS are derived. The three-dimensional exact solutions of the displacement, electric potential, magnetic potential, stress, electric displacement and magnetic induction of equilibrium problems are also obtained.

由动力学的一般解，导出了扇形板和扇形环板在广义弹性简支和广义刚性滑动边界条件下自由振动的频率方程和振型；并得到了平衡问题的扇形板和扇形环板在两种边界条件下的位移、电势和磁势，应力、电位移和磁感应强度的三维精确解。

When the bottom plate side syndiospecific lower than a sizzling, drawing pressure ball left, paper will go on there which would in turn low-speed machines brace will receive the same fault because plate following fulcrun is the eccentric shaft, corrected, you can add the eccentric shaft, convex to reverse some of the panels to fan-shaped with a sizzling plane are equal to the maximum State, low-speed machines la along two concave iron support, you can set the concave iron spare, Planer to some, is equal to the thickness to brace the distance below the iron plate plane, the installation at a later time.

当侧规底部扇形不活矮于铁不活立体时，不推纸压球压下去此后，纸弛不离会出不隐凹下下去不隐象，矮速机的不推条也会出不隐同样的障碍，因为扇形不活底下的支点是公道小轴，在校侧时，可以不兵公道小轴的凸背回旋一些，调度到扇形不活背同铁不活立体不等为最好状况，矮速机的不推条是由二块凹形铁撑持，可以不兵凹形铁拆上去，用刨床刨去一些，刨去的厚度即是不推条矮于铁不活立体的间隔，安设此后再举不静调度。

Rotation of the torque tube moves a crank connected to the rudder power control unit linkage.

随着脚蹬的移动，使得前扇形盘转动，前扇形盘由线缆连接到后扇形盘。

Rotation of the aft quadrant moves a control rod connected to a torque tube.

随着脚蹬的移动，使得前扇形盘转动，前扇形盘由线缆连接到后扇形盘。

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。