Although its visual effect is so pronounced, dust is only a minor constituent of the material, extremely low in density, that lies between the stars.
尽管它的视觉效果如此显著，但尘埃只是位于恒星之间的物质的一个次要组成部分，其密度极低。
Half a century of town and country planning has enabled it to retain an enviable rural coherence, while still permitting low-density urban living.
半世纪以来，合理的城乡规划使英国得以保留令其他国家羡慕的乡村协调性，同时还允许低密度的城镇人口。
The firm says the low power-density of its lasers and a series of safeguards ensures that human exposure remains within regulatory limits.
公司称他们的低能量密度激光和一系列防护措施能保证暴露在其中的人体处于安全范围之内。
Low energy density means there are few calories in a lot of food.
而低能量密度意味着食物量虽大卡路里含量却很低。
Insects and pathogens are integral components of forest ecosystems and normally are present at a relatively low density, causing little damage, and having negligible impact on tree growth and vigour.
昆虫和病原体是森林生态系统的固有成分，通常其密度相对较低，所造成的损害较小，对树木生长及其活力的影响微乎其微。
This is a low energy-density device, which stores electricity directly by charging two conductive plates with static.
（和电池相比，）这是一种“低能量密度”设备，电能被直接存储在两块静止的导电板上。
They're also low in calorie density, one of the trademarks of a healthy food.
它们还能降低卡路里，这是保健食品的商标标志之一。
With each new measurement, Pluto got lighter and tinier, until astronomers realized that the object is in fact smaller than Earth's moon and has a very low density.
用各种测量方法重新测量后，冥王星变轻了、变小了，这时候天文学家才意识到冥王星实际上还不如月球大，并且密度也很小。
While Burchard was experimenting with refrigerator insulation, he came up with a novel way of molding low-density foam.
那年伯查德正在做有关冷冻机隔热材料的实验，实验中他使用新的方法做出一种低密度的泡沫材料。
There were just two problems: it had a lower energy-density than cobalt oxide and suffered from low conductivity, limiting the rate at which energy could be delivered and stored by the battery.
只是存在两个问题：它的储能比钴氧化物要低，而且导电率也较低，这限制了电池释放和存储能量的速度。
Just as it is sometimes useful to speed up to move quickly through writing with a low information density, you often need to slow down to catch the important or confusing bits.
有时候你需要快速浏览过一些信息密度很低的内容，但对于一些重要或感到困惑的内容则应该慢慢读。
A continuous ramp winds up the tower with low, medium and high density residential units attached.
一个不间断的斜梯缠绕着整个塔，将低密度、中等密度和高密度的住宅单位串联起来。
Low density polyethylene makes a nice substitute for PVC. It has a simple makeup and doesn't require additives to make it soft and pliable.
低密度的聚乙烯是PVC很好的替代品，它的生产过程相对简单，也不需要添加化学物质增加柔软性。
Because the second kind, low-density lipoprotein (LDL), get smaller and smaller until they're tiny enough to enter the walls of your blood vessels and attach themselves like a bad houseguest.
因为还有第二种胆固醇，即低密度脂蛋白(LDL) LD L变得越来越小直到他们足够小能进入血管壁，然后依附在血管壁上。
Grapes have a low energy density - 1 cup of grapes has about 104 calories.
葡萄的能量密度低，一杯葡萄含大约104卡路里。
They found a strong association between those whose autobiographies had low idea density and presence of the Alzheimer-related tangles in the frontal, temporal or parietal lobe of the brain.
研究人员发现，自传中内容密度低的修女，其大脑前部顶叶出现痴呆混乱的情况也增多，二者有密切联系。
The introduction of a special contracting system for health workers was a successful approach to reopening health posts in regions with low health workforce density in Senegal.
推出医疗工作者特别承包制让塞内加尔在缺少医疗工作者的地区成功地重新开设了卫生站。
Good power density means a shape like a peanut butter jar, easy to fill or empty; low power density is more like a wine jug with a narrow neck.
电能密度好的就像花生酱罐子口，很容易装满或倒空；电能密度差的就像窄瓶口的酒壶。
There’s also a region of low-density that could be a section of the hominid’s brain.
还有些低密度区域，很可能是原始人的大脑。
Following a lifestyle that decreases LDL (low-density lipoprotein) and increases HDL (high-density lipoprotein) is the primary path to lower cholesterol.
在日常生活中，人们一般把降低低密度脂蛋白ldl和增加高密度脂蛋白hdl当作是降低胆固醇的主要的路径。
Coal from this region is low in sulphur, and so burns more cleanly, but has a relatively low energy density unless treated.
该区域的煤含硫量低，也因此更为清洁，但是在处理前能值(energydensity)相对较低。
It's no wonder that, over the last decade, even in a time of renewed interest in urban centers, low-density suburbs grew at three times the rate of the cities they surround.
这也就难怪，在过去的10年，即使是在振兴城市中心的时候，低密度郊区的增长是所包围的城市的三倍。
This effect is no mystery as raw plant foods are generally low calorie density high fibre foods which are very filling - ideal for weight loss - and was confirmed by a six-month trial in South Africa.
这种效果也没什么神秘 ，生机植物食品，一般所含热量低而纤维多，非常容易饱，是理想的减肥食物，在南非6个月的试验证实了这一点。
Three main factors play a role in what makes food high or low in energy density.
决定食物能量密度高低的因素主要有三个。
Limestone will have the same porosity measurements, whereas a wet sandstone will cause the neutron porosity to read low and the density porosity high.
石灰岩具有相同孔隙度测量值，而湿砂岩将导致中子孔隙度的读数偏低，密度孔隙度读数偏高。
Computers present a particular challenge-although they can add motion and interactivity, computer displays have low information density compared to that of paper.
计算机具有一个特别的挑战——虽然它们能够添加动画和交互，但它的信息分布密度比纸张低。
A part surface can be infiltrated with a low melting point metal to increase density, strength, hardness, ductility and impact resistance.
零件表面能被低熔点金属渗透以增大密度、强度、硬度、延展性和抗冲击能力。
Single age variable stock volume growth model had low coefficient of determination, but it was improved a lot by introducing site index and stand density index in reparameterization.
林龄单因变量的蓄积量生长模型决定系数低，引入地位指数和密度指数再次参数化的生长模型可显著提高模型拟合度。
Single age variable stock volume growth model had low coefficient of determination, but it was improved a lot by introducing site index and stand density index in reparameterization.
林龄单因变量的蓄积量生长模型决定系数低，引入地位指数和密度指数再次参数化的生长模型可显著提高模型拟合度。
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