symmetric distribution

For light brown or dark brown spots scattered in many symmetric distribution, with a genetic predisposition.

为淡褐色或深褐色斑点,多散在对称分布, 具有遗传倾向.

The defence county land use type space layout is bounded extend in heihe big axial symmetric distribution, by inside and outside ordinal it is wetland-agricultural land-desert.

高台县土地利用类型的空间布局大致以黑河为界呈轴向对称分布，由内而外依次是湿地农用地荒漠。

The structural transformation of the symmetric icosahedron is strongly related to the initial configuration, atomic number and atomic distribution, and can be controlled by doping hetero atoms and changing their compositions and distributions.

匀称的20面体结构转变与团簇的初始结构、原子数和组元分布密切相关。而且，这种相变可以通过不同物性组元的添加、含量和原子分布的改变进行控制。

The patients usually have fever, sore throat, upper respiratory tract infection and general malaise before 1-3 weeks. The skin purpura is almost in lower limbs and buttocks. The skin purpura almost has symmetric distribution and occurs in batches.

多数与感染有关，发病前1-3周常有低热、咽痛、上呼吸道感染及全身不适等症状，皮肤紫癜多见于下肢及臀部，对称分布，分批出现，较重者累及上肢及躯干。

To solve axially symmetrical electrostatic field, the method of cylindrical function expansion is presented. The series expansion for the potential distribution in whole space with the potential distribution on the symmetric axis is derived, some examples are given.

提出了求解轴对称静电场的柱函数展开法，推导出用对称轴上的电势分布表示空间电势分布的级数展开式，并给出了求解轴对称静电场的例子。

In this paper, an interior solution of Einstein-Maxwell equations is given for a static, spherically symmetric distribution of charge and mass.

本文给出了静态球对称电荷和质量分布的爱因斯坦&麦克韦方程的内解。

The results of the study show that the compressed gas spraying from nozzle holes form three-dimensional rotation flow in nozzle interior, and the pressure distribution in general is symmetric on the nozzle axis.

研究结果表明：从喷孔喷出的压缩气体在喷嘴内部形成三维旋转气流，压力分布总体上关于喷嘴轴线对称。

In this paper the idea is extended to the multi-axle bogie frame, the law of load transfer on bogie frame and its calculation and the distribution of the load are given. Measures for reducing the symmetric load ale also described.

本文依据斜对称载荷的计算原理找出了多轴转向架构架上垂向载荷转移的规律以及附加载荷的具体计算方法。

Moreover, for the case of two foundations, the distribution of shear stress acting on the bottom of foundation is no longer symmetric about the centric line of the bottom surface.

另外，对于两个基础的情形，作用于基础底面上的应力分布不再关于底面的中心线呈对称。