So, if you are asked to find the average distance from the origin, spherical coordinates can be interesting.
如果你想求到中心的平均距离，球坐标还是不错的。
It sits fairly close to its star, at 14.5 astronomical units AU; one AU is the average distance between Earth and our Sun.
HR 8799e十分接近其围绕的恒星，它们之间的距离为14.5个天文单位AU；一个天文单位是指地球到太阳的平均距离。
At an average distance of 2.8 billion miles (4.5 billion kilometers) from the sun, Neptune takes about 165 Earth years to finish a single orbit.
海王星距离太阳平均28亿英里(相当于45亿公里)，绕太阳转一圈需要165个地球年。
A recent study found that Peru's USF helped to reduce the rural population's average distance from a telephone from 56km (35 miles) in 1999 to 5.7km in 2002.
近期的研究表明秘鲁的USF促使农村人口同电话的平均距离由1999年的56公里(合35英里)下降至2002年的5.7公里。
The average distance of the sun from the earth is as much as 150 million kilometres.
太阳与地球的平均距离达一亿五千万公里。
Assume that the average distance travelled daily to and from school by pupils is 4km and by teachers is 7km.
假设每个学生每天来回学校的路程是4公里，每个老师是7公里。
RTTM network has smaller diameter and average distance, which implies a minimization of the network communication delays.
RTTM结构具有网络直径短、平均距离小以及良好的扩展性等特点。
The average distance of traveling by bike decreased by 10 miles while that by local bus saw the greatest drop by 155 miles.
骑自行车旅行的距离平均降幅为10英里；坐公交旅行的里程数降幅最大，为155英里。
The diameter and average distance of a graph are two important parameters to measure the efficiency of interconnection networks.
图的直径和平均距离是度量网络有效性的两个重要参数。
Then the statistical average distance between neighboring parallel sections was acquired using the analysis of sample trace points.
进而通过轨迹样本点分析的方式，得到统计平均的相邻平行截面间距。
The moon is 380 thousand kilometers away from earth, and the super moon is just a little nearer than usual, compared with the average distance.
月亮离地球38万千米，超级月亮只是比平时离地球近一些，与平均距离时的月亮相比稍微大了一些。
The paper also develops the formulae for the calculation of the cracking width, and suggests how to calculate the average distance of cracking.
对静载作用下的高强钢筋混凝土梁进行试验研究，提出了平均裂缝间距以及裂缝宽度计算公式的改进建议。
A new definition of distance parameter in attenuation law of ground motion, i. e. the average distance from site to both ends of rupture line is proposed.
文中对地面运动衰减规律中的距离参数提出了一种新的定义，即从场地到破裂线两端点的平均距离。这个定义能较好地反映发生构造地震的断层破裂模式。
According to the proportion of load composition, using the hierarchical cluster analysis based on average distance, the substations can be classified reasonably.
根据全网各站点各季节的典型行业用电负荷构成比例，运用谱系数平均距离聚类分析法，对全网各季节的负荷站点做出合理的分类。
That's roughly 82 times the average distance from the Earth to the sun - and, according to the astronomers behind the discovery, the widest orbit ever seen for a planet in a triple-star system.
这一距离大约是地日平均距离的82倍，并且，发现该行星的天文学家称，HD 131399ab星球的绕行轨道在三星星系中是最宽的。
Here, we use the singular value decomposition and principal component analysis for facial feature extraction, using the average distance category as discrimination on the basis of authentication.
其中人脸特征提取采用了奇异值分解和主分量分析法，身份验证则采用了以类内平均距离为判据的算法。
Here, we use the singular value decomposition and principal component analysis for facial feature extraction, using the average distance category as discrimination on the basis of authentication.
其中人脸特征提取采用了奇异值分解和主分量分析法，身份验证则采用了以类内平均距离为判据的算法。
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