因为这些星系的质量分布在更大的区域，它们每单位体积的恒星数量比传统星系要少得多。
Because these galaxies' mass is spread out over larger areas, they have far fewer stars per unit volume than do conventional galaxies.
伸展双臂时，其质量分布空间更大。
With arms outstretched, her mass is distributed over a greater space.
相对分子质量分布变宽。
对质量分布均匀的弹簧的能量进行了研究。
The energy of the spring that even mass is distributed is studied.
指出了质量分布的差别引起相似条件的变化。
The paper also points out that the difference of quality distribution causes changes of similar conditions.
相对分子质量分布对降凝效果的影响不明显。
The distribution of the molecular weight had no significant effects on the depression.
我们大家都感到兴奋，为它被释放在质量分布。
We are all excited for it to be released in mass distribution.
曲轴平衡块质量分布不合理，会引起发动机振动大。
The irrational distribution of crankshaft counterbalance weight causes greater vibration.
简要介绍了引力透镜，NFW质量分布模型的基本原理。
This article briefly introduces the basic principles of gravitational lens and NFW mass distribution model.
讨论了拱上建筑和拱圈质量分布模式对结构动力特性的影响。
Finally, the influences of the spandrel structure and the arch mass distribution mode upon the structural dynamic behavior are studied.
结果表明：树脂的分子质量分布和结构不同对性能影响很大。
The results showed that the property and structure of PF resins were intensively influenced by the different molecular-weight distribution.
飞机燃油质量分布特性计算是一项复杂困难但又是十分重要的工作。
The calculation of mass distribution characteristics of fuel in tanks is a difficult and complicated work.
金属射流中固态金属颗粒比例是金属射流中金属液滴质量分布的函数；
Percentage of solid droplets in metal spray is a function of droplets size distribution.
相应的广义质量矩阵既决定于体系的质量分布，又决定于几何约束特性。
The corresponding generalized mass matrix depends on both the mass distribution and the geometrical constraint characteristics of the system.
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。
In this paper, an interior solution of Einstein-Maxwell equations is given for a static, spherically symmetric distribution of charge and mass.
讨论了增稠剂的相对分子质量和相对分子质量分布与其增稠性能的关系。
The relationship between the molecular weight, distribution of molecular weight of the thickener and the performances thereof is discussed.
粘度是反映腈纶分子质量、分子质量分布和聚合物浓度的一项综合参数。
Viscosity is a general parameter reflecting the molecular weight, molecular weight distribution, and polymer solution concentration of acrylic fiber.
角动量的大小，取决于旋转中的滑冰选手的旋转速度、体重和绕旋转中心的质量分布。
The amount of angular momentum, say, a spinning skater has depends on both the speed of rotation, and the weight and distribution of mass around the center.
分析了佘山重力垂直梯度偏小的原因，认为这是由于山体质量分布引起的。
Therefore it is considered that the decrement of gravity vertical gradient is caused by mountain mass distribution.
从统计学来看，振动的70 ~ 80%是由于转子质量分布的原因引起的。
From a statistical point of view, the vibration of 70 ~ 80% is due to the cause of the rotor mass distribution.
何转子在围绕其轴线旋转时，由于相对于轴线的质量分布不均匀而产生离心力。
When the rotor is rotating around its axis, the centrifugal force is produced because of the uneven mass distribution with respect to the axis.
复合助催化剂的类型及浓度对催化活性及相对分子质量分布都有显著的影响。
The effect of types and concentrations of co-catalysts on polymerization activities and MWD is remarkable.
揭示了启动过程的压力、温度、工质质量分布和热力过程能量损失等变化规律。
The variational laws of the pressure, temperature, refrigerant distribution and energy loss are revealed in this process.
任何转子在围绕其轴线旋转时，由于相对于轴线的质量分布不均匀而产生离心力。
When a rotor rotates around its axis, the centrifugal force is produced due to the uneven distribution of mass relative to the axis.
通过计算质量分布均匀的球壳对一质点的引力，验证了平方反比关系的重要结果。
The important result of the relation of the inverse ratio of square through calculating the gravitation of a ball shell with uniformly-distributed mass on a particle.
探讨了用复合酶法制备鱼是鱼活性寡肽及其氨基酸组成和相对分子质量分布情况。
This paper deals with the preparation of anchovy active oligopeptide by complex protease and distribution of the molecular weight as well as the amino acids component.
计算表明，等电荷位移假设得到的结果一般和裂变碎片高斯质量分布曲线拟合得最好。
The results seem to indicate that the hypothesis of equal charge displacement gives the best fit to the Gaussian distribution for the masses of the fission fragments.
较低摩尔质量且支化度小的窄摩尔质量分布级分具有较完善、分布更加均匀的薄片晶结构。
The fraction with smaller molecular weight, molecular weight distribution and lower content of short chain branching could form thinner and more uniform laminar crystals.
天平设计要保证质量分布均匀，采用特制滑环引出电信号，并且天平后端用支架支撑以减小振动。
In the balance design, even distributed mass is required, special slip ring is taken to get electric signal and fixed mount is used at balance rear end to eliminate vibration.
本文利用质量分布和附加两种惯性配重相结合的方法，完全平衡了八杆机构的摆动力和摆动力矩。
The article presents design equations and techniques for the complete shaking force and shaking moment balancing of eight-bar linkages due to both linear and rotary inertia, except external loads.
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