2) pear
[英][peə(r)] [美][pɛr]
梨树
1.
Detection of Apple Scar Skin Viroid in Pear by in situ RT-PCR;
梨树组织中的苹果锈果类病毒原位RT-PCR检测
2.
Studies on Leaf Photosynthesis of Young Pear Trees with Various Cultivars;
幼年梨树品种光合作用的研究
3.
Study on the sequential sampling technique of pear psylla(Psylla chinensis Yang et Li) on the pear;
中国梨木虱在梨树上的序贯抽样技术研究
3) pear tree
梨树
1.
Effects of late autumn foliar applicationof high concentration fertilizers on the growth and development in pear tree;
晚秋叶施高浓度肥料对梨树翌年生长发育的效应
2.
The pear trees were tested to study the effects of different pruning methods on their growth in summer.
研究了夏季不同修剪方法对梨树生长的影响,结果表明:(1)夏季不同修剪方法对树高、干高和干周的生长有一定影响,但差异不显著;(2)与对照树体相比,春梢短截(1/4)处理树体营养生长得到缓和,二次梢生长总量最大。
3.
Selecting the pear tree as the research object, this paper observes the symptoms of the affected pear trunk, analyzes on the influence of different factors on the growth of the pear tree, and advances some corresponding preventing measures.
选取梨树为研究对象,观察了受害梨树树干的症状表现,分析了不同因素对梨树生长发育的影响,并提出了相应的防御措施。
4) tree developmental
树木发育
6) Pear trees shape
梨树树形
补充资料:青春发育期体重发育
青春发育期体重发育
adolescence weight development
青春发育期体重增长的高峰不象身高那样显著,但增长的时间比身高长,增长的幅度比较大,男、女青年的体重在青春期都几乎增加了一倍。同时在达到成熟后体重仍继续增长。体重的增长除与骨骼有关外,肌肉和脂肪的增长也很重要。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条