如果你想求到中心的平均距离,球坐标还是不错的。
So, if you are asked to find the average distance from the origin, spherical coordinates can be interesting.
这是当时已知的,六个行星,以及于太阳的平均距离。
You see here the six planets that were known at the time, and the mean distance to the Sun.
太阳与地球的平均距离达一亿五千万公里。
The average distance of the sun from the earth is as much as 150 million kilometres.
基本系统由平均距离为40至45厘米的框架板组成。
The basic system is composed of slabs in frame with average section of 40 and 45cm.
在网络分析中,图的直径和平均距离是重要的示性数。
The paper calculates the average distance of some graphs, for example cycles trees, etc.
图的直径和平均距离是度量网络有效性的两个重要参数。
The diameter and average distance of a graph are two important parameters to measure the efficiency of interconnection networks.
平均自由路径是由你的区域的中心之间的平均距离计算。
The mean free path is calculated by the mean distance between the centers of your regions.
增加热量不能时分子变大,而是使分子间的平均距离增大。
Adding heat does not make the molecules any larger; it makes the average distance between them larger.
我帮你们查阅了一下-,各大行星到太阳的平均距离-,单位是百万千米。
So I look up the distance — - the mean distance to these various planets — and you see that here in millions of kilometers.
对于射频噪声,通过平均距离频频法和频域陷波的方法可以去掉;
Radio frequency noise jamming can be deleted by the method of average range frequency spectrum and notching in frequency domain.
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。
RTTM network has smaller diameter and average distance, which implies a minimization of the network communication delays.
计算出平均破片数,平均破片落入角,破片到目标舱段面的平均距离。
Have calculated average amount of chipping, average dropping in Angle of chipping and average distance from chipping to objective cabin.
图的平均距离在网络的性能分析中很重要,是度量整个互联网络通信效率的重要参数。
Mean distance in graphs was very important in analysing function of network. It serves as a measure of efficiency of a heavily used network.
大多数行星形成模型预言在主恒星一个天文单位(或从地球到太阳的平均距离)以内会有一个“沙漠之星”。
Most planet-formation models predict a “planet desert” within one astronomical unit (or the average distance from the Earth to the sun) of a host star.
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 moon is 380 thousand kilometers away from earth, and the super moon is just a little nearer than usual, compared with the average distance.
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.
它每4.7天环绕恒星一周,其轨道为一个适度的椭圆,平均距离仅0.04个天文单位(为水星距太阳的十分之一)。
It orbits its star every 4.7 days, in a moderately elliptical orbit at a mean distance of only 0.04 AU (one tenth of Mercury's distance from the sun).
提出了基于目标一维平均距离像归一化中心矩的目标识别方法和一种新的基于目标一维散射中心匹配的目标识别方法。
Two methods are presented, one is based on the normalized central moments of one dimensional range profiles, the other is based on one dimensional scattering centers matching.
基于单一载频的射频干扰(RFI)在线性调频雷达中的表现形式,利用平均距离谱法获得了RFI的多普勒分布谱图。
A method for surpressing RFI in a chirp radar based on averaging range spectrum is developed, by averaging range spectra, the RFI can be detected and suppressed in time-frequency domain.
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。
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.
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。
It sits fairly close to its star, at 14.5 astronomical units AU; one AU is the average distance between Earth and our Sun.
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。
According to the proportion of load composition, using the hierarchical cluster analysis based on average distance, the substations can be classified reasonably.
但是,当你考虑到一个警察在枪战中的平均距离往往少于7码(7米差一点),甚至常常不到10英尺时,我们不禁抚心自,到底出了什么事?
But, when you consider that the average distance of a police gunfight is well under 7 yards, often less than 10 feet, we must ask ourselves what the hell is going on?
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。
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.
据合理推算,外星人离我们平均距离也有100光年之远(1光年是光以每秒186,000英里的速度在一年内走的距离即6万亿英里)。
As a reasonable guess, they might, on an average, be 100 light years away. a light year is the distance which light travels at 186,000 miles per second in one year, namely 6 million million miles.
据合理推算,外星人离我们平均距离也有100光年之远(1光年是光以每秒186,000英里的速度在一年内走的距离即6万亿英里)。
As a reasonable guess, they might, on an average, be 100 light years away. a light year is the distance which light travels at 186,000 miles per second in one year, namely 6 million million miles.
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