Each leaf is the same size, which simplifies the calculation to find any particular element of the array and also makes it easier for the collector to find a suitable freespace to allocate each leaf.
The Chinese traditional culture has the unique flavor, the idealized language causes the creation the freespace to develop, appears has the profound symbolic significance each kind of element.
中国传统文化具有独特的韵味，理想化的语言使创作的自由空间拓展开来，出现具有深刻象征意义的各种元素。
3
A method of fabricating holographic optical element (HOE) for free-space optical clock distribution is presented.