unit leaf area中文什么意思

例句与用法

1. Generally speaking , leaf nitrogen content per unit leaf area increased under high irradiance and was significantly higher than those under low irradiance
   损伤处理可使植株叶单位叶面积n含量降低，而单位叶重n含量却比未受损植株高。
2. Optical microscopy and electron microscopy were employed to study the microstructure and ultrastructure of the leaves of low temperature germplasm and measure or count the lengths of diachyma cells , number of diachyma cells per unit leaf area , chloroplast number per diachyma cell , the number of diachyma cell layers and the number of granum lamella of low - temperature wheat germplasm
   应用光学显微镜和电子显微镜研究了小麦低温种质叶片显微和超微结构，测量统计了叶肉细胞长度、单位面积叶肉细胞数目、单个叶肉细胞中的叶绿体数目、叶肉细胞层数和叶绿体基粒片层数。