spad的读音 spad中文意思

英音  [spæd] 
美音  [spæd] 
n. 矿山井下测量用钉
易混淆的单词: SPAD
spad 用法和例句
Fig. 1 effects of different fertilizer treatments on spad value .
不同肥料处理对豫麦34旗叶spad值的影响。
The relationship between spad and maize yield at small bell stage .
夏玉米小喇叭口期spad值与产量关系。
The relationship between spad and maize yield at large bell stage .
夏玉米大喇叭口期spad值与产量关系。
The relationship between spad and the wheat yield at jointing stage .
拔节期冬小麦叶片spad值与产量关系。
Primary study on application of spad value to estimate chlorophyll and nitrogen content in wheat leaves .
应用spad值预测小麦叶片叶绿素和氮含量的初步研究。