seed tree是什么意思

网络释义

用法例句

Pruning effects on blooming quantity of seed trees in clonal seed orchard of Pinus koraiensis;

修剪促进红松无性系种子园母树开花效应研究

Fertilizing effect on bearing fruit of seed tree in clonal seed orchard of Pinus koraiensis;

施肥对红松无性系种子园母树结实效应研究

For the purpose of solving the seed-supply issue, a seed production stand of evodia fruit has been established in Yang Xin County, Hubei province and put into production.

3hm2的吴茱萸母树林,现已投产。

More than 10 years of study on the establishment of seed production stand by thinning natural superior stands of Pinus yunnanensis in western and middle part of Yunnan and their genetic increment shows thinning natural superior stands is an important technical measure to establish seed production stand.

10余年来对滇西和滇中的云南松天然优良林分疏伐营建母树林及遗传增益的研究结果表明 :疏伐是优良林分营建母树林的重要技术措施。

Through the variance analysis,we found both age of maternal plant and the substrate type had significant effects on rooting rate of cuttage and the mean rooting rate of cuttings from the 2-year-old maternal plant was 77.

通过方差分析发现穗条母树年龄、基质种类对扦插生根率有显著影响,其中穗条母树年龄为2 a时,平均生根率达到了77。

The resources of mother tree of Metasequoia glyptostroboides within Xingdoushan reserve have been surveyed by the authors, and the resource quantity of Metasequoia glyptostroboides mother tree, distribution regularity and endangered reasons have also been explored, therefore, the accordingly protection measures have beenput forward.

笔者对星斗山保护区内的水杉母树资源进行了调查,探明了保护区内水杉母树的资源量、分布规律及濒危原因,并提出了相应的保护措施。

High-yield struction of seed forest of amur cock-tree;

黄菠椤母树林丰产型结构的研究

The techniques used in silviculture for seed production stand

GB/T16621-1996母树林营建技术

Cutting Effect on 1-year-old Stock Plant of Slash Pine×Caribbean Pine Hybrids

湿加松一年生母树萌条扦插效果分析

You must not cut this pine for pine nuts. it is the mother tree of the forestry center.

千万别砍这棵结了松籽的大松树, 它是林场的母树。

cut one's initials on a tree

在树上刻自己姓名的首字母.

Is the woman sitting under a tree his mother?

坐在树下的那位妇女是他的母亲吗？

carve one's initials on a tree trunk

在树干上刻自己名字的缩写字母.

ELECTRON MICROSCOPIC OBSERVATIONS ON THE SYNAPTONEMAL COMPLEX IN SPERMATOCYTES OF THE TREE SHREW(TUP AIA BELANGERI CHINENSIS)

树?精母细胞联会复合体的电镜观察

Predicting Yeast Protein Complex Using Decision Tree;

用决策树方法预测酵母蛋白质复合物

The taboo theme of the mediaeval hamadryad and its significance for culture spreading;

中古树神禁忌母题及其文化传播意义

Study on the Therapeutic Effect of 10-hydroxycamptothecin on Neuroblastoma

羟基喜树碱治疗神经母细胞瘤的研究

Immobilization of Candida sp.lipase on resin D301

D301树脂固定化假丝酵母脂肪酶

Study on Thermodymamics of Adsorbing Timosaponin by Resin

大孔树脂吸附知母总皂苷热力学研究

Fermentation of D-xylose for Ethanol Production by Pichia Stipitis

树干毕赤酵母发酵木糖生产燃料乙醇

my mother had set up a Christmas tree in the parlor decorated with candles and bells.

母亲在厅堂里插了一株圣诞树，树的周围点缀了蜡烛和银铃。

I then went to the plantation of the procession and bought some saplings of camphors.

母亲说要栽些树，我就到大队林场去买了些樟树苗。

carve initials in the bark;carved out an empire.

把名字的首字母刻在树皮上；开创出一个帝国

My grandmother has slipped down in the Oak street and hurt her ankle, so I have to take her to the doctor.

我祖母在橡树街滑倒，伤了踝骨，我得送她去看

Plant quarantine rules for mother tree and seedling of virus-free apple

GB12943-1991苹果无病毒母本树和苗木检疫规程