The meaning of TREE is a woody perennial plant having a single usually elongate main stem generally with few or no branches on its lower part. How to use tree in a sentence.
mollissima) and Japanese (C. crenata) chestnuts are resistant. Crosses between American and Asian species have produced varieties with excellent nuts, but timber quality is closely linked with blight susceptibility. In the 1970s a native strain of chestnut blight was identified in North America. ...
Thus, it was primarily large stems with many branches that underwent partial sex changes, These findings suggest that sex change is a branch autonomous event in A. rufinerve and underline the importance of taking branching structure into account when studying sex change in trees. 展开 ...
摘要: Reports on the performance of a 4×4 polarisation-independent LiNbOswitch matrix with a `tree-structure', permitting strictly nonblocking communicative as well as distributive switching关键词: integrated optics lithium compounds LiNbO3 switch matrix distributive switching nonblocking communicative ...
Ancestry is a gem that allows rails ActiveRecord models to be organized as a tree structure (or hierarchy). It employs the materialized path pattern which allows operations to be performed efficiently. Features There are a few common ways of storing hierarchical data in a database: materialized ...
The tree data structure TheTree\Node\NodeInterfaceinterface abstracts the concept of a tree node. InTreea Node has essentially two things: a set of children (that implements the sameNodeInterfaceinterface) and a value. On the other hand, theTree\Node\Nodegives a straight implementation for that...
Field work for the quantitative inventory was carried out in November 2012. Data were collected by assessing the status of the forest in terms of tree species diversity and structure from one-hectare plot divided into twenty-five 20 m x 20 m quadrats. All tree species were identified, and ...
structure can form a rational height class structure observing a linear mode between height classes and its number of ramets.Therefore,the hyothesis can be confirmed that the plastic change of the clonal tree species will definitely lead to the change of the population number and its structure. ...
SG-Tree is a new data structure for exact nearest neighbor search inspired from Cover Tree and its improvement, which has been used in the TerraPattern project. At a high level, SG-Tree tries to create a hierarchical tree where each node performs a "coarse" clustering. The centers of these...
📖 Structure and interpretation of Computer Programs (free): One of the most influential textbooks in Computer Science (written and used at MIT), SICP has been influential in CS education. Byte recommended SICP "for professional programmers who are really interested in their profession". There ar...