下第三系 Paleogene ; [地质] Paleogene system ; palaeogene system
第三系 tertiary system ; Neogene
三系杂交 triple crossing
三系法 three line method
上第三系 [地质] Neogene system ; [地质] neozoic ; neogene ; Upper Tertiary
第三系统 tertiary system ; Third system
早第三系 Nummulitic period
新第三系 Neogene system ; Neogene
老第三系 Eogene System ; [地质] Palaeocene System
Three-line hybrid rice based on cytoplasmic male sterility (CMS) plays an important role in food crop production.
三系杂交稻在我国粮食生产中有着举足轻重的地位。
参考来源 - 水稻雄性不育性恢复基因Rf3的遗传定义及物理图构建Gossypium hirsutum 18R,the male parent of transgenic three lines insect-resistant hybrid cotton Yinmian 2,is an excellent fertility restorer line for cotton cytoplasmic male sterility(CMS). Its agriculture characters are outstanding,on the other hand,its fertility restore rate for cotton CMS is 100%.
18R雄性不育恢复系农艺性状优良,恢复性状稳定,对不育系能够100%恢复,是研究棉花三系互作的重要材料。
参考来源 - 陆地棉雄性不育恢复系18R的BAC文库构建·2,447,543篇论文数据，部分数据来源于NoteExpress
油菜杂种优势利用途径主要有三系法和两系法。
盆地的形成过程决定了第三系含气系统的形成过程。
The formation of the basin results in the formation of the gas system in the basin.
再次读片发现13例中有7例在愈合不同阶段三系血细胞生成与骨质疏松VCF表现一致。
Re-review showed 7 of the 13 cases were consistent with osteoporotic VCF healing in various stages with adjacent trilineage hematopoiesis.
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