A novel range-free localization approach-smallest enclosing circle based localization (SECL) has been pro - posed.
提出一种新的无需测距定位算法——基于最小包含圆的定位(SECL)。
The mobile anchor spreads its location information to unknown nodes, assisting which to make range-free localization.
移动锚节点在网络中不断传播自己位置，协助未知节点定位自身位置。
There are mainly two types of localization algorithms: the range-based localization algorithms and range-free localization algorithms.
节点定位算法大致可分为两类：基于测距的算法和无需测距的算法。
The range-free algorithm does not need additional hardware, and, thus, it is a cost-effective approach for the WSN localization problem.
而无需测距的定位算法不需要额外的硬件条件，是解决定位问题的一个比较经济适用的方法。
How to use Sequential Monte Carlo method for range-free localization scheme when we estimate the unknown node position in Wireles Sensor Networks?
在估计无线传感器网络未知节点位置时，如何使用与距离无关的贯序蒙特卡罗算法?。
This paper classifies the node localization technologies into two categories: range-based and range-free, then introduces and analyses several typical localization technologies.
该文将节点定位技术分为基于测距的和无需测距的两类，介绍和分析了几种典型的定位技术。
Gene flow, the movement of alleles across the range of the species, is relatively free because individuals can move and then mate with individuals in their new location.
基因流动，即等位基因在整个物种范围内的移动，是相对自由的，因为个体可以移动，然后在新的地点与个体交配。
Also, remember that you can find a wide range of free tools online with a bit of searching.
此外，请记住，只要稍做搜索，就可以在网上找到许多免费工具。
Foreign visitors remarked both on the free range of speech there and on the mingling of classes and professions.
外国游客评论道：“在这里，不同行业不同地位的人齐聚一堂，无拘无束，自由畅谈。”
For example, to call chickens "free range," a company "must demonstrate to the Agency that the poultry has been allowed access to the outside," according to USDA regulations.
譬如，根据美国农业部的规定，为出售“散养”的鸡，公司必须向认证机构证明这些鸡能够自由到鸡圈外面活动。
I'm not going to tell my son what to play and who to play with. He's going to be a free-range kid.
我不会告诉儿子玩什么或者和谁玩。他要成为一个被充分给予自由的孩子。
Choose grass-fed, organically raised cattle and free-range, organic chicken and eggs to avoid hormones.
选择用牧草喂养长大的牛，以及自由放养的鸡和鸡蛋来避免摄入激素。
She says that free-range chickens taste much better than factory-farmed ones.
她说自由放养的鸡比工厂化饲养出的鸡好吃多了。
Allowing one's children free time is called free-range parenting.
那些给孩子更多自由时间的家长就可以被称为“自由放养父母”了。
Free Range eggs are also laid by hens that enjoy the freedom of a hen-house, but have the added benefit of access to an outside run.
散养鸡蛋也可能是这样的母鸡下的——它们在鸡舍里享受着自由，而且有额外的福利可以在外面跑。
The study is in the Journal of Wildlife Management. [Jeff Horn et al, Home range, habitat use, and activity patterns of free-roaming domestic cats]
这一研究发表在了《野生动物管理》杂志上[JeffHornetal,Homerange,habitatuse,andactivitypatterns of free-roamingdomestic cats]。
They produce fresh, free-range eggs.
他们生产出新鲜的，散养的鸡蛋。
"If it's good enough for our children, it's good enough for the rest of us," he said. "Some people will hear about it and go yuck — but actually it's pure organic, free-range and totally natural."
“这产品对孩子们来说是非常好的，当然对我们其他人也很不错，”他说，“有些人听到这个消息觉得恶心，但实际上，它是纯有机、散养、全天然的食品。”
Local, organically grown foods and free-range, animal-sourced foodsare a prevalent new trend, perhaps even the “hip” way to eat by youngergenerations.
本地种植的有机蔬菜和散养的禽畜产品正成为流行的食物新宠，甚至可能成为年轻一代的生活时尚。
Local, organically grown foods and free-range, animal-sourced foods are a prevalent new trend, perhaps even the "hip" way to eat by younger generations.
本土的有机食物和以散养动物为来源的食物成为餐桌新宠，也逐渐被新生代所接受。
A fresh, free-range egg should last beautifully at room temperature for at least a week but, with the ever-present risk of salmonella, all authorities now recommend keeping them refrigerated.
一只新鲜的自由放养的鸡下的蛋，应该可以在室温下完好地存放至少一周，然而因为沙门氏菌的存在，专家都建议把它们放在冰箱里面。
A free-range hen scratching around might lay one or two eggs a week. Feeding her costs nothing, giving a net gain of 50-100 eggs a year.
散养的鸡四处抛食，一个星期可以下1-2个蛋，饲料成本为零，一年可以净得50—100个鸡蛋。
The insurgency goes by many names - slow parenting, simplicity parenting, free-range parenting - but the message is the same: Less is more; hovering is dangerous; failure is fruitful.
这场反叛有好几个名称——缓慢养育，简单养育，放养养育，不过其中的含义相同：少即是多，过度关注却更危险，失败反而有益。
The world's largest carmaker is reported to be developing a neodymium-free electric motor for its expanding range of hybrid cars.
据报道，这个世界最大的汽车制造商将要为其不断扩大的混合动力车系列开发出一种不含钕的电机。
The world's largest carmaker is developing a neodymium-free electric motor for its expanding range of hybrid cars.
这家世界上最大的汽车制造商，正在为它日益扩大的混合动力车业务研发一种不使用钕的电动发电机。
Foraging is generally not used except in free-range systems, where only a small proportion of the birds' nutrient requirements is typically met from the range.
除了在散养体系中，家禽通常不需要觅食，散养仅能满足家禽营养需求的很小一部分。
Many people soothe their consciences by purchasing only free-range fowl and eggs, blissfully ignorant that "free range" has very little practical significance.
许多人只买自由放养的家禽和鸡蛋，以此来安抚自己的良心，幸福地忽视了“自由放养”几乎没有实际意义。
The Free-Range Resonant Electrical Energy Delivery System, or FREE-D, is powered by induction.
这种无线谐振电能传输系统——FREE - D是通过电磁感应传输能量的。
The Free-Range Resonant Electrical Energy Delivery System, or FREE-D, is powered by induction.
这种无线谐振电能传输系统——FREE - D是通过电磁感应传输能量的。
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