{{lang == 'en_US' ? 'SP Open Access' : '开放获取'}}
{{lang == 'en_US' ? 'All articles in open access journals of Science Press (SP) which are published by SciEngine have undergone peer review and upon acceptance are immediately and permanently free for everyone to read and download.' : 'SciEngine平台的开放获取期刊所有文章均经过同行评议,发布后所有用户均可立即永久免费阅读和下载。'}}