| 1. | The first sign of potassium deficiency is a white speckling or freckling of the leaf blades .
缺钾的最初病症是叶片呈现白色斑痕或斑点。 |
| 2. | Phyllodes are analogous to leaf blades , but are derived from petioles ( leaf stalks )
叶状柄与叶片是同功器官，但它源于叶柄。 |
| 3. | Through examining the roll strength in the leaf blade special - purpose rolling machine , this article has confirmed the feasibility of rolling leaf blade in the new rolling machine
摘要通过对叶片专用辊轧机轧辊的强度进行校核，验证了在新型辊轧机上轧制叶片的可行性。 |
| 4. | The locking mechanism is made up of an inner hole sleeve inside which multiple round leaf blades and round spacers are reciprocally spaced and kinetically sheathed in the blade cases
该锁芯机构由多个圆形叶片和多个圆形隔片相互间隔活动叠装在叶片套的内孔套筒中构成。 |
| 5. | The positions of feeding and oviposition were shifted gradually from the bottom to upper of leaf sheath , and then to leaf blade with the reduction of nitrogen content in host plants
随着稻株含氮量的下降褐飞虱取食和产卵的位置从叶鞘底部逐渐向上部转移，直至叶片中脉。 |
| 6. | Early leaf development is artificially divided into three main stages : the initiation of leaf primordium , the establishment of leaf adaxial - abaxial polarity , and the expansion of leaf blade
早期叶片发育包括三个主要过程：叶原基的起始，叶片腹背性的建立和叶片的延展。 |
| 7. | The development and formation of above - ground organs in wheat plant were simulated systematically and comprehensively , including leaf blade , internode and tiller
对小麦植株地上部器官形成过程进行了较为系统、全面的模拟研究，建立了包括叶片、节间和分蘖的解释性动态模型。 |
| 8. | Leaves basal ; petiole up to 3 cm ; leaf blade elliptic , 2 - 3 cm long and 1 . 1 - 1 . 9 cm wide , apex rounded , base cuneate , margin serrulate , white pilose on both surfaces
叶全部基生；叶片椭圆形，长2 - 3厘米，宽1 . 1 - 1 . 9厘米，先端圆形，基部楔形，边缘具细齿，两面被白色柔毛；叶柄长可达3厘米。 |
| 9. | A . implicatum could distribute in leaf sheaths , leaf blades , stems , roots and seeds , and could be transmitted by plant seeds , proved by the pcr detection method
利用该pcr检测法探明了旗草内生真菌a implicatum是通过种子传递的，其在植物体内可分布于根、茎、叶鞘、叶片、以及种子。 |
| 10. | Such plants thus avoid receiving the strong midday rays of the sun directly on the leaf blades , but are positioned to use fully the weaker rays of the morning and evening sun from the east and west
这样可以使叶片边缘避免受到正午阳光的直接照射，同时在早晚还可以充分利用东西方向较弱的光线。 |
