pruning

The 5-year study indicates that the optimal thinning treatment for 20~ 30-year-old natural birch stands is to maintain a stand density of 1 100 stems · hm-2 and the pruning intensity should not exceed 1/ 2 tree height.

5a的研究结果表明，林龄20～30a的白桦天然林最适林分密度为1100株·hm-2，修枝强度不应超过1/2树高。

Pruning and training are cultural practices which alter the natural development of the tree.

修剪和整形是改变植株自然生长的技术措施.

He scratched his hands badly while pruning the rosebushes.

他修剪玫瑰时双手刮伤得很厉害.

Wounds frequently occur as a result of pruning.

修剪往往造成损伤.

Dead branches or knots in different sizes of tree was studied and different branch development phases of growth, suppression, death and self-pruning was analyzed to evaluate the effect that knot size and distribution impact on timber quality.

研究了不同大小树木的死枝和节子大小及其变化规律，分析了枝条的生长、被压、寿命和自然整枝过程，评价了节子大小和分布对木材质量的影响；

Careful pruning at the right time is the secret of success with roses.

养玫瑰花的秘诀就是适时细心修剪.

She has been pruning the roses.

她一直在修剪玫瑰.

He is pruning his roses.

他在修剪他的玫瑰花.

The gardener is busy pruning the dead branches from the trees.

园丁正忙着砍掉树上的枯枝。

Some orchardists have tried to control crown-shape by pruning, disbudding and branch-bending to circumvent the problem.

有些种子园工作者曾试用修剪 、 摘芽,弯枝等办法来控制冠形以解决这个问题.

The experiment results show that the algorithm can ensure the accurately and continuous of the skeleton during the pruning operation. ( 3) We have proposed a pulmonary fissure extracting method based on tracking the maximal neighborhood point.

实验结果表明，该算法在进行剪枝操作中可有效地保证骨架的准确性和连通性。（3）提出一种基于最大邻域点跟踪的肺间裂提取算法。

Chinese chestnut high yielding technique as pruning and regeneration of old trees

板栗衰老树更新复壮高产新技术研究

Pruning increases the vigor of a plant.

整枝能使植物更加茁壮地生长.

The Optimum Velocity of Knife and Machine of Tea Plucker and Tea Pruning Machine

采茶机、轻修剪机最佳刀、机速度

In writing an essay one must do a lot of pruning.

写文章要下一番剪裁的工夫.

Test of Jujube Tree Pruning by Pulling the 3-year-old Branch as A Unit in Arid Hillside Jujube Garden

旱坡地枣园以3年生枝为单位拉枝修剪试验

The company is pruning staff in order to reduce costs.

公司正在裁员以减少开支。

Pruning , by removing part of the top , alters this ratio.

修剪通过剪除部分树冠而改变根冠比.

[不可数名词]All roses require annual pruning.

玫瑰都要年年修剪。

Firms are cutting investment and pruning their product ranges.

公司正在减少投资，缩减产品系列。

Cropping every year may be possible by judicious pruning and management.

用合理的修剪和管理措施可能连年收获.

Present pruning methods can't eliminate the effect of noise data on choosing test attribute of tree node.

目前的树剪枝方法不能消除噪音数据对选择决策树测试节点属性的影响。

All roses require annual pruning.

玫瑰都要年年修剪。

The company would benefit from a little pruning here and there.

公司如能处处精简一点，必将获益。

A sapling needs pruning, a child discipline.

小树要砍, 小孩要管.

The budgets of several departments will require pruning.

好几个部门的预算都要削减.

The roses need pruning.

玫瑰需要修枝了。

The hedge needs pruning back.

树篱需要修剪了。

Summer pruning devitalises the tree on an extent and consequently reduces excessive vigour.

夏剪能在一定程度上减弱植株的生命力,从而削弱过分的生长势.

Chemical pruning of Pittosporum tobira with caprylic acid and Paclobutrazol and the physiological effect

辛酸和PP333对海桐的化学修剪和生理效应