set and get a persistent identity for a fiber. by default, fibers are anonymous and have no identity.
Испания — Примера|27-й тур
。新收录的资料是该领域的重要参考
「我能感受到角色之間的張力與競爭，」伊妮德說，「再加上我所喜歡的那份浪漫感。」，这一点在新收录的资料中也有详细论述
Airy Disk: A very bright, circular spot of light formed in the center of image which together with the series of concentric rings around is called Airy Pattern.，详情可参考新收录的资料