提出作物有效营养面积新概念，并用回归理论对此进行试验研究。
The concept about crop's effective nutrient area was made and using regressive theory, an experiment was conducted.
晚播可延长营养生长的时间，增大叶面积指数、延迟现蕾、集中结铃作用明显。
When sowing time was later, the nutrition growth period was prolonged, the leaf area index was increased, and budding stage was prolonged.
目的探讨大面积腓肠神经营养血管皮瓣的临床应用特点和临床效果。
Objective To explore the clinical practice characteristic and practice effect of sural neurocutaneous vascular flap.
应用推荐