But if, actually, it has varying density maybe because it is some metallic thing with various metals or with varying thickness or something then you can still get the mass by integrating the density.
但如果，密度可能是变化的，因为它是许多金属的混合物，或者厚度在变化等等，但你仍然可以通过对密度积分得到质量。
The general point is that the increasing intensity, or thickness, of globalism - the density of networks of interdependence - is not just a difference in degree from the past.
通常的观点是全球主义增长的强度，或密度——相互依赖的网络的密度——不仅是一与过去在程度上的不同。
a perfectly spherical shell dr at some distance, thickness, d r, dr we talk about it as 4 pi r squared d r, so we just multiply that by the probability density.
在某个地方的完美球型壳层,厚度，我们把它叫做4πr平方，我们仅仅是把它,乘以概率密度。
Variable density and thickness according to different climates.
变密度和厚度可根据不同的气候。
Current density: unit under the plating area under current, usually the higher current density film thickness is thicker, but is high coating will scorched thick dry.
电流密度：单位电镀面积下所承受的电流，通常电流密度越高膜厚越厚，但是过高时镀层会烧焦粗燥。
To test the technique, researchers compared measurements of bone thickness at the femur, hip and spine using the gold standard approach of bone mass density, and their new technique.
为了验证这项技术，研究者应用金标准的方法和他们的新技术比较了股骨的骨厚度，髋骨和脊柱骨。
However there were no changes in egg shell thickness, egg shell percentage and egg shell density.
蛋壳占蛋重比、蛋壳厚度及蛋壳密度无明显变化。
Thickness of sandstone is inverse ratio with fractures density.
砂岩厚度和裂缝密度成负相关关系；
The influence of diluent and powder packing density on reaction propagating velocity and the thickness of ceramic coating was analyzed.
分析了稀释剂添加量和粉体充填密度对反应蔓延速度以及陶瓷涂层厚度的影响。
The layer thickness grows up with irradiation duration and fission density.
反应层厚度随辐照时间和裂变密度而增加。
The size, weight, skin fold, thickness, hair density and hair diameter of each rind were measured.
宰后对各种猪原皮的大小、重量、皮褶、皮厚、毛的密度和直径作了测定。
The effect of plasma thickness, wave frequency, electron number density distribution on it is almost independent of the wave polarizing direction.
等离子体厚度、入射波频率、电子数密度分布对功率反射系数的影响几乎与波的极化方向无关。
Establishes a dynamic lumped parameter model for air cooled heat pump under frosting condition. Divides frosting course into accumulation of density and frost thickness.
建立了结霜工况下空气源热泵集中动态参数模型，将结霜过程分解成密度项的累计和霜层厚度项的累计。
We also assemble a set of permeability testing equipment, by which we study on the effect of density, thickness and air pressure on the relative permeability.
并利用自行组装的测试设备研究了柔性石墨板密度、厚度以及空气压力差对相对透气系数的影响。
The film thickness dependence of island density shows that a maximum of island density appears at the critical film thickness for both substrates.
岛面密度与膜厚的依赖关系表明，在临界厚度时硅衬底和玻璃衬底上的岛面密度均出现了极大值。
The rational well spacing under certain perforating level and the rational open thickness under certain well density can be determined by this equation.
用此关系式可确定该类油藏给定打开程度下的合理井距及给定井网密度下油井的合理打开厚度。
Define horn fruit layers of thickness and horn fruit layers of density rape important colony quality index; it is the comprehensive economic indicator too.
明确了结角层厚度与结角层密度是油菜重要的群体质量形态指标，也是综合性经济指标。
In order to meet steady compression -resilience properties as cylinder gasket, the thickness tolerance of composite sheet and the density of flexible graphite plate should be control.
为了满足汽缸垫稳定的压缩、回弹性能要求，应注意复合板的厚度公差和柔性石墨面材最佳的密度范围的控制。
But too high thickness and high density of tin films will do harm to the smoothness of film surface with impurity deteriorating the crystallization.
但是薄膜厚度的增大和浓度的提高会恶化膜面的平整度，也会影响薄膜的结晶性能。
A low frequency ultrasonic (Lamb like) wave method is used for characterizing the shear, longitudinal wave velocities, the thickness, and the density of ultra thin two layered bonding composite.
提出用低频超声类兰姆波定征方法来估计超薄双层胶结复合结构各层的纵波声速、横波声速、厚度和密度等参数。
A low frequency ultrasonic Lamb like wave method suitable for characterizing the thickness, density, shear and longitudinal wave velocities of the ultra thin bonding composite is presented.
提出用低频超声类兰姆波定征方法来估计超薄黏结复合结构各层与黏结层的厚度、密度、纵波声速和横波声速等参数。
The thickness, surface density, heat flux and heat conductivity of spunlaced binding down web were tested under different frequency values, and the relationships between them were also discussed.
对不同分频值下水刺绑定羽绒网的厚度、面密度、热流量和导热系数作了测量，并对其相互关系作了讨论。
Besides, the fabrics' thickness and density also have effect on its various performances.
此外织物的厚度及密度对织物的各种性能都有不同程度的影响。
Paraffin sections through observation, found that feeding the bees EM biological agents in the intestinal Peritrophic matrix (PM) thickness and density have increased.
通过石蜡切片观察，发现饲喂em生物制剂的蜜蜂中肠围食膜厚度和致密度有一定的增加。
Depending on its density and thickness the material can be CNC routered, sand-blasted, cut with a hot wire system, or hand-worked with standard woodworking tools such as gouges, chisels and awls.
根据不同的密度和厚度，这些材料可以用CNC数控设备、喷砂设备、等离子切割设备或手动工具来加工成沟槽、凿子和锥子。
A frequency domain characterization method using low frequency ultrasound is put forward to estimate parameters of ultra thin elastic layers, such as: the sound velocity, thickness and density.
本文提出一种定量无损估计超薄弹性层声速、厚度和密度参数的低频超声波频域定征方法。
A low frequency multi mode ultrasonic Lamb wave method suitable for characterizing shear and longitudinal wave velocities, thickness and density of ultra thin elastic layers is presented.
提出了用低频多模式超声兰姆波定征方法来估计超薄弹性层的纵波声速、横波声速、厚度和密度等参数。
The effects of oxidation time on the density, thickness and corrosion resistance of the micro-arc oxidation coatings of MB8 magnesium alloy were investigated.
研究氧化时间对MB8镁合金氧化膜致密度、厚度和耐蚀性的影响，分析不同氧化时间膜层表面微观形貌、成分和结构的变化。
Confocal microscopy was used to investigate corneal thickness, epithelial and stromal cellular density, and subbasal plexus morphology.
用共聚焦显微镜来研究角膜的厚度，上皮细胞和间质细胞的密度以及基质浅丛的形态。
The models for predicting elastic modulus along the grain of poplar veneer were built, in which compression ratio, glue content, density, and thickness of veneer were considered.
着重讨论速生杨木单板顺纹弹性模量预测模型，模型中考虑到单板的压缩率、单板中含胶量、单板的密度和单板的厚度等影响因素。
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