Because these galaxies' mass is spread out over larger areas, they have far fewer stars per unit volume than do conventional galaxies.
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。
It is the amount of electric charge per unit volume.
是电荷与体积的比值。
Those include uncovering how bubble growth rates vary with the number of bubble sides and minimizing the surface area per unit volume.
比如探究气泡生长速率如何随气泡面的数目变化而变化，以及单位容量内使表面积最小化。
The amount of energy a battery can store per unit volume is increasing by 8% a year, but the needs of ever more powerful electronic devices are going up more than three times as fast.
一块电池所能存贮的单位能量每年增长8%，然而，对电子设备的能量需求却以每年超过24%的速度持续增长。
By the charge density we mean the per unit volume.
所谓的电荷密度是指单位体积的电荷。
In physics it is an identification of material by noting its mass per unit volume.
在物理学上，是以每单位体积的质量来鉴别物质。
However, a silicon anode can store about 10 times more (per unit volume) lithium ions.
如果用硅制作阳极，其单位体积锂离子容量可达到前者的10倍左右。
The mass per unit volume of a substance under specified conditions of pressure and temperature.
在特定压力和温度条件下某物质单位体积的质量。
The results showed that with the increase of cleanness of the melt, the number of grain per unit volume increased at first, and then decreased.
证明随着熔体洁净度增大，单位体积中的晶粒数将先增加，然后减少。
The total dislocation length per unit volume of material, alternately, the number of dislocations that intersect a unit area of a random surface section.
在单位体积材料中包含位错的长度，或者说在材料内部任意单位截面上位错线的根数。
The impact penetrant specific energy of frozen soil indicates the work of chiseling the frozen soil per unit volume, and reflects the ability to impact frozen soil.
冻土凿碎比能是表示凿碎单位体积冻土所消耗的功，它反映了冲击破碎冻土的能力。
The surface area of aggregate per unit volume of mortar does have influence on the mean value of the nearest surface spacing, but the ratio between them is not constant.
单位砂浆体积下集料的表面积的变化对邻近集料表面最近间距的平均值有影响，但二者之间的比值并非常数。
When similar flow rate of dialysate or substitution are used, CVVHDF mode has the highest clearance, while CVVHD appears most effective for solute removal per unit volume of liquid.
在相同透析液和置换液流量情况下，CVVHDF模式溶质清除率最高，而CVVHD的溶液利用效率较高。
The number of effective crosslinking chains per unit volume (ve) and the average molecular weights between crosslinks (Mc) were determined by means of equilibrium swelling measurement.
用溶剂溶胀平衡法测定了聚氨酯单一网络的单位体积内有效交联链的数目和交联点间平均分子量。
The sinusoids are packed with RBC's in this case of hereditary spherocytosis. The osmotic fragility of spherocytes is increased, because the RBC's have decreased surface area per unit volume.
遗传性球形红细胞增多症中，窦状隙被RBC塞满，球形红细胞的渗透性脆性增加，因为RBC每单位体积的表面积减少。
The difference between amount per unit volume and bulk density of refractory castable in definition is pointed out, a testing method of amount per unit volume of refractory castable is introduced.
指出了耐火浇注料单位体积用量与体积密度定义上的区别，介绍了一种测试耐火浇注料单位体积用量的试验方法。
The difference between amount per unit volume and bulk density of refractory castable in definition is pointed out, a testing method of amount per unit volume of refractory castable is introduced.
指出了耐火浇注料单位体积用量与体积密度定义上的区别，介绍了一种测试耐火浇注料单位体积用量的试验方法。
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