歌曲 | 核能新用途 |
歌手 | 英语听力 |
专辑 | BBC新闻 |
The United Nations nuclear watchdog, the IAEA, has called for more investment in a plant breeding technique that uses radiation to help feed the world. The technique was first discovered more than 80 years ago, but it's recently been used to develop high-yielding strains of rice in Vietnam, Bali and… |
The United Nations nuclear watchdog, the IAEA, has called for more investment in a plant breeding technique that uses radiation to help feed the world. The technique was first discovered more than 80 years ago, but it' s recently been used to develop highyielding strains of rice in Vietnam, Bali and |