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  亚洲的稻米种植者利用人工选择促成半矮杆基因

1960年代,亚洲的稻米种植者利用人工选择促成半矮杆基因(semi-dwarf1,SD1)的突变增加了稻米产量。矮杆植物用于生长的能量和养分少,结实更多,不易倒伏。

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短语

机器人SD1 ProjectSD

SD1 High Definition Camcorder 松下HDCSD1高清晰摄像机

Panasoic HDC-SD1 High Definition Camcorder SD1高清晰摄像机

双语例句权威例句

  • Earlier this month a modified Rover SD1 averaged 66.5mph at the Elvington Race Track near York, smashing the previous record of 47mph achieved by a us team that built a car fuelled by wood pellets.

    本月早些时候约克附近艾文顿赛道,辆经改装路虎sd1(咖啡豆动力汽车)以平均每小时66.5英里的速度打破世界纪录此前,该记录美国制造的内置木屑颗粒燃料汽车保持,时速为47英里每小时。

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更多双语例句
  • It differs from its predecessor, the DP1x, because its lens now includes one "F" Low Dispersion glass element to correct aberrations, and its resolution has grown by moving from Foveon's 14.6-megapixel APS-C size image sensor to the 46-megapixel APS-C image sensor found in the company's flagship SLR, the Sigma SD1 Merrill.

    ENGADGET: Sigma finally announces price and availability for DP1 Merrill compact

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