上任後，哈梅內伊成為戰時領袖。
The first problem is wasted work again. If cell A1 references B8, and cell A2 also references B8, then when we update all the cells, we still only want to evaluate B8 once, and then reference it in both A1 and A2. We can do this through caching — whenever we calculate a cell’s value, we store it somewhere, and then all future cell references can used the stored value instead of recalculating.
，这一点在新收录的资料中也有详细论述
ITmedia �r�W�l�X�I�����C���ҏW�������삷���������[���}�K�W���ł�。关于这个话题，新收录的资料提供了深入分析
“当时，我们因为交货期问题常常失去订单，真是急得像热锅上的蚂蚁。”兴达公司销售部负责人林月云的叹息揭开行业的窘境：彼时中国高端碳纤维制品进口依存度超过90%，欧美企业不仅掌握定价权，更通过专利构筑起技术壁垒。