45岁做供卵成功率相比较自卵成功率会更高一些，因为供卵采用的是第三方女性患者提供的卵子，而各大医院对于供卵者的年龄和质量都有严格要求，其中供卵的年龄通常在25-35岁，因为该阶段女性患者的卵子质量会更好一些，
I am working with a large list of points (each point has three dimensions x,y,z). I am pretty new with R, so I would like to know what is the best way to represent that kind of information.As far as
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