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- This the first report of cytogenetic study of flag leaf position in common wheat ,Triticum aestivum L. 摘要 本文首次对小麦旗叶姿态进行了比较系统的细胞遗传学研究。
- In this paper, factors influenced SPAD readings, such as rice variety, development stage, the leaf position, the point on the leaf and environment were studied. 并综述了通过量化SPAD读数与氮的关系,提高诊断水稻氮素营养精度;
- The result showed that the density of glandular trichomes on mature leaves increased as leaf position went up. 结果表明：叶片腺毛密度随叶位升高而增加，同一叶片的分布规律一致；
- The olive leaf is a badge of peace. 橄榄叶是和平的象征。
- Leaf blades of low leaf position except the base leaf and high leaf position had more leaf pulp cell with lower annulation number and less leaf pulp cell with higher annulation number,ear leaf had higher ratio leaf pulp cell with over six annulations. 就叶片内叶肉细胞环数而言，低叶位和高叶位的叶片低环数的叶肉细胞比例相对较高，而高环数的叶肉细胞比例较低，果穗叶层六环以上的叶肉细胞比例较高；
- Rows of stomata in the other parts could be divided into two groups, and the row numbers in a group were various with varities, leaf position in the plant and sample part of a leaf. 其他脉间区气孔行可分为两组，组内气孔行数因品种、叶位和叶片上的具体部位而有差异。同一叶片气孔行数的顺序是：基部＞中部＞尖部。
- The results are as follow: (1) SPAD value increased with the rising of leaf position in the same maize variety, and reached the maximum in the leaf at middle of plant, then declined. 结果表明：(1)同一品种玉米叶片的SPAD值随叶位的升高而增加，至植株中间部位叶达到最大值，之后降低。
- Our forces retired to prepared positions. 我们的部队撤退到既设阵地上。
- The troops took up offensive positions. 部队已准备发起攻击。
- I saw him take a leaf out of the book. 我看见他从书上撕下一页。
- The maple leaf is the emblem of Canada. 枫叶是加拿大的象征。
- The trees and shrubs were in full leaf. 那些树和灌木枝叶茂盛。
- The British pavilion will leave positive legacies in the UK and in China, in our environments, in our economies, in our cultures and in our Cities. 英国馆将离开正面遗产在英国和中国,在我们的环境中,在我们的经济,在我们的文化和我们的城市。
- Our big guns have been hammering away at the enemy positions. 我们的大炮已向敌人的阵地发起连续轰击。
- One of several metal strips forming a leaf spring. 簧片构成片簧的几个金属片中的一个
- The central or principal vein of a leaf. 中脉中心的或主要的叶脉
- The trees come into leaf in spring. 春天，树木吐芽长叶。
- The sailors are asked to take their positions by their captain. 船长要求水手们各就各位。
- You should take a leaf out of Tom's book. 你应该学学汤姆。
- Before the debate, both sides made their positions clear. 辩论之前，双方都把自己的观点说清楚。
