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- principal centers of curvature 主曲率中心
- The locus of the centers of curvature of a given curve. 渐屈线一给定曲线率中心的轨迹
- During the previous six months, the Lal Masjid had become the principal center of radical Islamist resistance to Musharraf's rule. 过去的6个月里，红色清真寺已经成为激进的回族分子抵抗穆沙拉夫政权的主要据点。
- The terms "New England Quadrille", "Kentucky Running Set", and "Cowboy Square Dance" indicate the principal centers of development--the Northeast, the Midwest and Southern mountains, and the Far West. 名词“新英格兰四对舞”、“肯塔基落日舞”、“牛仔方形舞”意味着美国东北部、中西部、南部山区和远西地区是主要的发展中心。
- Denote the center of Curvature at by.When the point moves along the plane curve, the trace curve of the point is called the evolute of the curve, denoted by, and is called the involute of the curve. 当点沿曲线移动时，相应的曲率中心的轨迹曲线称为曲线的渐屈线，而曲线称为曲线的渐伸线。
- He moved the table over to the center of the room. 他把桌子移到房间中心。
- The center of the sun is exceedingly hot. 太阳的中心极其热。
- Our city is the industry center of the country. 我们城市是全国的工业中心。
- The company owns a famous department store in the center of London. 这家公司在伦敦市中心拥有一家很有名气的百货商店。
- A center of interest or activity. 中心兴趣或活动的中心
- Buses go to and fro between the center of the city and the city limits. 公共汽车往返行驶于市中心和城市边缘之间。
- Beijing is the political and financial center of China. 北京是中国的政治和金融中心。
- A table stood in the center of the room. 一个餐桌摆在房间的中央。
- a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted 穿过曲面透镜中心的光线不会反射和折射的线
- The centers of concentric circles coincide. 同心圆的圆心重合。
- We find several at the centers of some galaxies. 我们在不少星系中心都找到这种黑洞。
- a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted. 穿过曲面透镜中心的光线不会反射和折射的线。
- The dart landed plunk in the center of the target. 标枪正中靶心
- At the center of the square stands a monument. 在广场中心矗立着一座纪念碑。
- A center of power, activity, or energy. 力量、活动或能量的中心
