亚洲国产精品自在在线观看|久久亚洲国产精品五月天婷婷|狠狠狠久久久免费观看|欧美激情中文字幕精品自拍

<address id="hwnm6"><var id="hwnm6"></var></address>

<dfn id="hwnm6"></dfn>
    1. <style id="hwnm6"><ul id="hwnm6"></ul></style>
      <pre id="hwnm6"><tt id="hwnm6"><th id="hwnm6"></th></tt></pre>

    2. Workers of experimental station busy sampling wheat to boost agricultural innovation

      Source: Xinhua| 2018-06-12 20:20:41|Editor: Yamei
      Video PlayerClose

      CHINA-HEBEI-CANGZHOU-CROP PRODUCTION (CN)

      A staff member of Nanpi Eco-Agricultural Experimental Station of the Chinese Academy of Sciences (CAS) analyzes soil salinity in Nanpi County, north China's Hebei Province, June 12, 2018. Workers of the experimental station are busy sampling and calculating output of a project to boost agricultural innovation and increase crop production. (Xinhua/Mu Yu)

         Prev 1 2 3 4 5  

      KEY WORDS: China
      EXPLORE XINHUANET
      010020070750000000000000011103261372493051