正交圆

The rooting ability of ten varieties of Catalpa spp. was studied. The unlignified branch cutting technique for 'Yuanjichangguo', which was considered as a valuable type to be spread, was analyzed in this paper.

对普通条件下10个楸树不同品种嫩枝扦插的生根能力进行了比较，选择推广价值较高的圆基长果楸进行正交试验以获得圆基长果楸嫩枝扦插繁殖的最优技术方案。

Then three candidate modulation schemes exploiting spatial dimensions are proposed. At last, the three modulation schemes are compared by power efficiency and bandwidth efficiency. It shows that spatial quadrature amplitude modulation scheme is appropriate for long distance wireless optical communications for its high bandwidth efficiency and spatial circular symmetry.

参照传统时域信号设计方案，提出了三种空间调制信号具体设计方案，并从带宽效率和功率效率两性能上进行了比较，结果表明正交幅度调制具有带宽效率高、功率效率低的特点，而且采用的信号点越多其带宽效率就越高，另外其空间信号图案还具有圆对称性，因此非常适合在空间带宽有限的远距离无线光通信中使用。

Then the finite element software ANSYS is used to simulate the orthotropic flattened Brazilian disc specimen subjected to diametrical compression, the accuracy of the approximate formula of compression displacement is checked. The formula is further modified with a semi-empirical and semi-analytical approach, and it is shown to have better accuracy than the original formula covering the whole range of orthotropic anisotropic index of rock, the error is less than 6%.

用有限元分析软件ANSYS模拟正交异性岩石的巴西圆盘试样的对径压缩实验；利用有限元分析结果对正交异性平台位移压缩公式进行精度检验，并用半经验半解析的方法，对该公式进行局部的修改，修改后的公式在岩石材料的正交异性指数的整个范围的总体评价上，误差小于6%，具有更好的计算精度。

In strictly, it is hard to make the light normal incident into the sphere, double refraction will take place in crystal sphere when a TEM〓 mode Gaussian beam oblique incident into the sphere, and the two orthogonal polarized beams are both elliptical Gaussian beam. The ellipticity and eccentricity of the elliptical Gaussian beam will change with the incident angle, and for a fixed incident angle, they will change with the shifting of incident beam waist position.

由于严格意义上的正入射较难实现，基模圆高斯光束斜入射晶体球后将在球内产生双折射，且球内偏振态正交的两束折射光都将是椭圆高斯光束，它们的椭圆度e和偏心度Δ随入射角的改变而改变，在入射角一定的情况下，入射光束束腰的移动也将改变这两束折射光的椭圆度e和偏心度Δ。

Within the 14th time window, all the three tides are generally elliptically rather than circularly or linearly polarized. However, both △(subscript φ24) and △(subscript φ12) in this window are quasi-quadrature at all heights while △(subscript φ8) are quasi-in-phase at 92.0 and 94.0 km.

在第14个时间窗内，三个潮汐一般表现为椭圆振而不是圆偏振或线偏振，但是△(下标φ24)和△(下标φ12)在三个连续的高度上准正交，而△(下标φ8)在92.0和94.0 km上准同相。

A study on the optimal fermentation process of producing fluid fertility containing biotechnology fulvic acid from Jowar straws juice;2. The optimum mixture of biotechnology fulvic acid , Azotobacter chooroccum, Phospho bacteria and Silicate bacteria were stu.

本文以甜高粱秸秆汁为原料，通过单菌及混合菌种发酵实验确定了发酵的最佳菌种组合；利用微生物混合发酵确定了发酵菌种的接种比例、接种量、最佳氮源及其添加量；用L_9(3)~3正交设计的方法，确定了发酵的最佳pH值、发酵时间和发酵温度；研究了生化黄腐酸液体肥料和圆褐固氮菌、钾细菌、磷细菌的复配工艺，并在作物上进行了田间试验。

First, orthogonal circle operator was modeled in terms of Zernike orthogonal complex moment; the one-to-one mapping between the edge point and the parameters of the circle was established by the algorithm. Then, quadratic polynomial interpolation was adopted to further locate the edge points in the gradient direction.

首先根据Zernike正交复数矩建立圆物体边缘点与边缘参数之间的映射关系，并提取边缘点；然后利用二次多项式插值在梯度方向上对提取出的边缘点进行进一步定位；最后利用最小二乘法拟合插值后的边缘点，得到亚像素精度的圆参数。

The orthogonal expansion of the solution of the rotating disk motion equation is analyzed, and the stability of the system that includes the controller and the dynamics of sensor and actuator are analyzed.

本文通过对旋转圆盘运动方程解的正交级数展开的分析，由此在考虑控制器、作动器和传感器的动态特性情况下，分析了旋转圆盘振动主动控制系统的稳定性，指出了系统失稳的条件。

The computer simulations show the validity of the new method. The orthogonal expansion of the solution of the rotating disk motion equation is analyzed, and the stability of the system that includes the controller and the dynamics of sensor and actuator are analyzed.

本文通过对旋转圆盘运动方程解的正交级数展开的分析，由此在考虑控制器﹑作动器和传感器的动态特性情况下，分析了旋转圆盘振动主动控制系统的稳定性，指出了系统失稳的条件。

It is in this background that the displacement formula of flattened Brazilian disc for orthotropic material is proposed.

改进后的平台巴西圆盘克服了集中力产生应力集中的缺点，正交异性材料则是对各向同性材料的推广，在这样的背景下提出正交异性巴西圆盘试样的压缩位移公式。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。