Что думаешь? Оцени!
An ice-core record of hydrogen reveals that atmospheric levels vary in response to climate change and have increased drastically owing to human activity since the pre-industrial era. The apparent sensitivity of hydrogen cycling to environmental conditions should be considered when projecting the consequences of rising anthropogenic hydrogen emissions in a warming climate.
。WPS官方版本下载是该领域的重要参考
延迟 — 用户需要等待响应，速度取决于网络连接质量
Salmon farming improvements making 'slow progress'