Ebook: 太空 (Outer Space): 航天飞行全记录 (Records of Space Travel)

科学是人类进步的第一推动力，而科学知识的学习则是实现这一推动的必由之路。在新的时代，社会的进步、科技的发展、人们生活水平的不断提高，为我们青少年的科学素质培养提供了新的契机。抓住这个契机，大力推广科学知识，传播科学精神，提高青少年的科学水平，是我们全社会的重要课题。 ( Science is the primary power for human progress while the popularization of scientific knowledge is the only way realize such promotion. In the new ear, the social progress, scientific development and constant improvement of livings standard will provide new opportunities for education of popular science for ordinary people. We should grasp the opportunity and vigorously popularize scientific knowledge, communicate scientific spirit and improve scientific quality, which is a key subject for the whole society. )