Tetracentron sinensis is a valuable tree which is rare.
水青树是一种稀有珍贵树木。
One tree which dated from 1761 was blown over and many other valuable trees were lost.
有一棵1761年栽种的树被刮倒，其他许许多多珍贵的树种损失也不少。
The invention discloses an adjustable seedling culture container of a valuable tree species.
本发明公开了一种珍优树种可调式育苗容器。
It is important to lower the timber consumption of valuable tree species and improving the quality of products.
对降低珍贵树种的消耗，提高产品的质量和附加值具有重要的意义。
The olive tree has always been a valuable source of food and oil.
橄榄树一直是宝贵的食物和石油来源。
Before letting its leaves go, the tree dismantles their chlorophyll molecules and ships their valuable nitrogen back into the twigs.
在树叶凋落之前，树会分解叶绿素分子，把有用的氮运回树枝中。
English walnut:a Eurasian tree (Juglans regia) cultivated in southern Europe and California for its valuable wood and its large, edible nuts.
胡桃：欧亚大陆的一种核桃树（核桃核桃属），核果大且可吃，其木材有价值。
Producing this accommodation also benefits the tree, for the ants provide their landlord with a valuable service: they guard it against its enemies.
为蚂蚁提供这种住宿环境对树也有好处，因为蚂蚁会为其房东提供非常重要的服务：守卫树木，抵抗外侮。
Information gain is the measurement of the attributes selection in classical decision tree algorithm-ID3, but the attributes with high information gain is not always the valuable attributes.
传统的ID3决策树算法以信息增益作为属性选择的准则值，但是信息增益大的属性并不一定就是有价值的属性。
And on other hand, the thesis also analyzes the factors that affect the jobs of graduated student by adopting decision tree algorithm, and some valuable models are achieved.
另一方面，本文还利用决策树算法，对影响学生就业的因素进行了分析，得到了一些有价值的模式。
After analysis on the tree planting in recent years, the article proposes some valuable and effective technical measures to increase the survival rate of trees.
文章通过对近年来工作实例的分析总结，提出了提高植树成活率的有效技术措施，具有较高的借鉴价值。
Tectona grandis classified as Tectona plant of Verbenaceae is one of the most valuable timber tree species in the world.
柚木为马鞭草科柚木属植物，是世界上最珍贵的用材树种之一。
After introducing valuable hardwood tree species resources in subtropical area, we reviewed some studies of valuable hardwood tree species in past.
本文在阐述亚热带珍贵阔叶用材树种种质资源情况基础上，对所开展的珍贵阔叶用材树种的研究做了回顾。
Good-tempered tree fairy guard the ancient forest, leaving the valuable wealth for later generations.
慈祥的树神，守护着几百年留存下来的森林，为后人留下了宝贵的财富。
English walnut:a Eurasian tree (Juglans regia) cultivated in southern Europe and California for its valuable wood and its large, edible nuts.
胡桃：欧亚大陆的一种核桃树（核桃 核桃属），核果大且可吃，其木材有价值。
As a perfect hybrid planting and a pioneer tree species in restoring vegetation, black locust is very valuable in restoring vegetation and ecological building in temperate zone of China.
刺槐作为一个理想的混交树种和植被恢复的先锋树种对我国温带大部分地区植被恢复和生态建设具有重大的意义。
Central American tree yielding a valuable dark streaked rosewood.
中美洲的一种树，出产带有深色条纹的贵重红木。
A coniferous evergreen monoecious tree (Tsuga canadensis) native from Nova Scotia to Alaska and valuable for its timber, as a pulpwood, for tanning, and as an ornamental.
加拿大铁杉：一种松类雌雄同株的常绿树（加拿大铁杉） ，生长于从新斯科舍省到阿拉斯加的地区，其木料作为纸浆用木材、制革以及装饰物很有价值。
The forest coverage rate of the scenic area reaches 98%, and the ginkgo tree, which is more than 2000 years old and is called the 'living fossil among the plant world', is the most valuable variety.
景区森林覆盖率在98%以上，其中最为珍奇的是有“世界植物活化石”之称、树龄达2000年以上的银杏树。
The forest coverage rate of the scenic area reaches 98%, and the ginkgo tree, which is more than 2000 years old and is called the 'living fossil among the plant world', is the most valuable variety.
景区森林覆盖率在98%以上，其中最为珍奇的是有“世界植物活化石”之称、树龄达2000年以上的银杏树。
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