sphere
音标发音
- 英式音标 [sfɪə(r)]
- 美式音标 [sfɪr]
- 国际音标 [sfiə]
- 英式发音
- 美式发音
基本解释
- n. 范围；球体
- vt. 包围；放入球内；使…成球形
- adj. 球体的
词源解说
- 15世纪中期进入英语，直接源自中古英语的spere，意为空间；最初源自拉丁语的sphaera，意为球体。
词根记忆
- spher(球) + e→球(体)
- 本身为词根：球
- 球
- 地球是被大气(atmosphere)环绕着的球体(sphere)
词组短语
- enlarge 〔increase〕 one's sphere 扩大…范围
- perfect sphere 完全的球体
- wide sphere 范围很广
- in 〔with〕 one's sphere of 在…范围内
- the sphere of broadcasting 广播界
- the sphere of influence 影响范围
- public sphere 公共领域;公共空间;公共范畴;公众领域
- unit sphere 单位球
- Riemann sphere 黎曼球面
用作名词 (n.)
动词+～
形容词+～
介词+～
～+介词
短语
英英字典
- (ROUND OBJECT) an object shaped like a round ball
- (AREA) a subject or area of knowledge, work, etc.
- A sphere is an object that is completely round in shape like a ball.
- A sphere of activity or interest is a particular area of activity or interest.
剑桥英英字典
柯林斯英英字典
专业释义
- 球面
A VB-ERL localization algorithm is proposed based on the hyper-sphere intersection mechanism.
基于超球面交叉机制,提出了VB-ERL节点定位算法。 - 包围球
- 超球
A new class incremental learning algorithm based on hyper-sphere support vector machines is proposed in this paper.
提出了一种超球支持向量机类增量学习算法。化学
- 球形
The results showed that the coating composite are sphere and has an even distribution,and the average size was about 40nm in diameter. The prepared samples have potential applications for cleaning polluted water with the help of magnetic separation.
样品颗粒呈球形,分布均匀,平均粒径约为40nm,具备良好的磁分离性能。能源科学技术
- 范围
And return in the sphere of nation-wide the detection precision that stops in the artificial detection stage of by hand and makes flatness and linearity to be hard raising.
而在全国范围内,还都停止于手动人工检测阶段,使得平面度和直线度的检测精度难以提高。数学
- 球面
- 球体
- 球形
- 天体
- 行星
- 球
- 范围
- 球体
- 球形