The final figure sizes are: 1 column = 3-in. (8.25-cm) wide, 1.5 column = 5-in. (13-cm) wide, 2 columns = 6-in. (17.15-cm) wide. Figures should not exceed 8-in. (21.6-cm) in height. All cropping and manipulation must be completed before the images are submitted to the publisher.
上述的是啥意思啊。。求解答