Downsized weapons would probably offer greater utility in less populated areas.减量化的核子武器或许比较适用于可提高它在人口较少的地区.The car makers downsized the suvs when fuel became very expensive.燃油越来越贵,汽车制造商压缩了SUV的产量.Morepeople are downsized,...
Stem cells a lesson from dedifferentiation.干细胞:从脱教训.The rest of phloem also produced callus through dedifferentiation. In addition, there was callus from xylem.残存的韧皮部也可以脱分化形成愈伤组织, 此外, 还存在愈伤组织源于木质部的情况....
Nuclear physics has provided extensive experimental support for the mass - energy equivalence.原子核物理学已经为质能等效性提供了广泛的实验证据.The midpoint and equivalence point for carbonic acid are much higher.碳酸滴定中点和等量点也高得多.The mass - energy...