四、本文研究的目的、意义 我们实验室多年FF|问试验发现,水稻品种松前(Matsumae)和3种渐渗系(RZl、 5 RZ2、RZ35)的抗旱性有明显差异,其中,RZ35具有突出的抗性。然而,对产生这种抗 旱性差异的原因不清楚。
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松前城 Matsumae Castle
轻松前行 Ease On Down the Road
松前公园 Matsumae Park
让我们轻松前行 Ease on down the road
地塞米松前体药 dexamethasone prodrug
演讲前要放松 Relax before you go on ; Relax x before you go on
考试前放松 Relax before the exam ; Before exams to relax ; Relax before the examination
考试前要放松 To relax before the exam
本文结果表明:松前在组织培养过程中发生的变异主要为DNA甲基化变异。
The following results were obtained: Theepigenetic changes induced by the tissue culture are mainly DNA methylation alterations.
对于绝大多数跑步者而言,Golaszewski的防守战略——在跑完第一个马拉松前就计划第二个马拉松——的确有些过分。
For many runners, Golaszewski's defense strategy — planning a second marathon before crossing the finish line of the first — is a bit overwhelming.
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