如果说对于大型的行星的挑战不能一蹴而就，研究者常常从小一点的开始，比如直径6到30英尺的小行星。
And if the challenges for a large asteroid seem too daunting researchers could always start with a smaller asteroid perhaps six to 30 feet across.
Braun博士最开始采用的材料正是他在自然纳米技术杂志所描述的那样，是由直径为百万分之一米紧密排列的聚苯乙烯小球组成。
His starting material, as he describes in a paper in Nature Nanotechnology, is made of closely packed polystyrene spheres about a millionth of a metre in diameter.
照片由美国航天局“黎明号”探测器拍摄，该探测器自上月起就在该直径达330英里的岩石天体轨道上运行并传送回团队刚刚开始关注的大量不可思议的表面细节信息。
The images were taken by NASA's Dawn spacecraft, which began orbiting the 330-mile-wide rocky body last month and beaming back incredible surface details that the team is only beginning to pore over.
人工林树干直径增量以地径处最大，向上逐渐变小，从枝下高处又开始增大，直到冠部。
The maximum increment of stem diameter was at bottom, diminished up to branch height, then increased to crown.
从2000年开始，硅晶片直径的行业标准达到 300毫米（直径大约一英尺）。
Since 2000, the industry standard has been 300 mm [about a foot in diameter].
周一，俄克拉荷马市摩尔镇遭遇直径3千米的龙卷风袭击，现在人们已经开始重建工作。
People in Moore, Oklahoma, are starting to rebuild after a three-kilometer-wide tornado hit the city on Monday.
但是提供了一个思路，枚举的时候如果点非常多，是否可以从直径开始找最小覆盖圆，效率是否会更优？
You are to write a program to find a circle which covers a set of points and has the minimal area. There will be no more than 100 points in one problem.
但是提供了一个思路，枚举的时候如果点非常多，是否可以从直径开始找最小覆盖圆，效率是否会更优？
You are to write a program to find a circle which covers a set of points and has the minimal area. There will be no more than 100 points in one problem.
应用推荐