论文部分内容阅读
今年五一 ,京城百姓将吃到口感酥脆的“太空西瓜”。据悉 ,京郊“瓜乡”大兴目前已经种上了万亩太空西瓜 ,总产量在 30 0 0万ｋｇ以上。航天西瓜诱变育种工程是大兴区与中国空间技术研究院的合作项目。 1997年 ,来自大兴区的74 7粒西瓜种子搭载着我国第十七颗返回式卫星 ,在太
May 1 this year, the capital will eat the crisp taste of the “space watermelon.” It is reported that the suburbs of Beijing “melon Township” Daxing has planted acres of space watermelon, the total output of 30 million kg more. Space watermelon mutation breeding project is Daxing District and China Academy of Space Technology cooperation projects. In 1997, 747 watermelon seeds from Daxing District carried the 17th returning satellite of our country,