查询词典 pruning

Pruning is an important domain of decision tree induction,which can simplify and populate decision trees and avoid overfitting.

在最近几年中，对决策树的研究不断深入，是一个充满活力的研究领域。

Objective］ The research aimed to find out an economical way of chemical pruning for a hedge plant,Euonymus japonicus.

［目的］为绿篱植物大叶黄杨探索节约型的化学修剪新途径。

In order to speed up the k-PNN query processing,efficient spatial and probabilistic pruning approaches are used to reduce the search space,thus the costly numerical evaluation of complex integrals can be avoided as much aspossible.

因此，必须尽量缩小查询所需搜索的空间范围，从而在不影响返回正确结果集的情况下，进一步减少所要考虑的非确定对象，在很大程度上避免利用原始计算公式来返回结果集。

According to several years practice, comprehensively sum up measures of forcing culture technology of scale and dwarf on potted Bougainvillea as: a propagation of cuttage, which choose a mixture of 50%peat, 33% vermiculite and 17 sharp sand as cutting soil, and choose a semi-wooden shoot cut into 5~10cm length with 2~3 leaves as cuttings then touch 1% AA root powder, is lower cost and higher survival rate than that of tissue culture; Bougainvillea growth can be efficaciously regulated by pruning and using 2~5g/L PP333; bougainvillea can be induced to flowers by spraying 2.5~4.0g/L B9 and administering no more 11 hours daylight every day continuously; the florescence can be more prolonged about 20 days by spraying 50mg/L NAA while selling; and prevention and cure of pest and disease, etc.

根据多年的生产实践，从科学育苗、栽培管理、售前处理和病虫害防治等方面综合总结了叶子花的规模化矮化促成生产技术措施：选择泥炭土、蛭石和黄沙按3：2：1比例混合均匀的扦插基质，采用半木质化当年生枝条，剪成5~10cm长的2~3叶节一段，沾染1%自制生根粉的扦插育苗较组培育苗成本低，成活率高；结合修剪用2~5g/L的多效唑进行叶面喷洒能有效控制生长，矮化植株；选择2.5~4.0的丁酰肼叶面喷洒和每天保持不多于11h的短日照处理，能有效促进开花；销售前全株喷洒脱50mg/L NAA可延长花期20天左右；整个生产过程加强肥水管理、温湿度控制和环境清洁能有效防治病虫害发生。

Pruning your Bonsai Plant is important , as this is how you create the illusion of a mature , full-grown tree .

修剪您的盆景植物是很重要的，因为这是你如何创造的幻想，一个成熟的，全面成长的树。

Natural abilities are like natural plants ,that need pruning by study, and studies themselves do give forth directions too much at large ,except they be bounded In by experience.

因此，我们获取信息的最有效方法之一就是去学习和了解文章的结构，以便更加准确、快速地定位我们要找的信息。

Natural abilities are like natural plants, that need pruning by study;and studies themselves do give forth directions too much at large, except they be bounded in by experience.

天生的能力就像自然中的植物，需要以"学习"来修剪，学习本身一般也给出了前进的方向，但是学习受制于经验。

This one used to do Gobang VC, the main application of search algorithms and pruning algorithm function.

详细说明：这个一个用VC做的五子棋，主要应用搜索算法和剪枝算法实现功能。

Attempting to grow gracilis or tobaica in a small terrarium or aquarium will prove to be a lesson in constant pruning, but that can be acceptable.

在小植物箱或水族箱种 N.gracilis， N.tobaica。

For aging tea tree, is the subject of a heavy pruning, to one-third of tea Crown to one half.

对于衰老茶树，须进行重修剪，剪去茶冠的三分之一至二分之一。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。