鐵樹目 的英文怎麼說
中文拼音 [tiěshùmù]
鐵樹目
英文
cycad-
Two important aboriginal foods are the fruit of the cycad palm, and a large nutritious yam
澳洲土著人有兩種重要的食物：一種是鐵樹目裸子類棕桐樹的果子，另一種是又大又有營養的山藥。With the advances in molecular biology and modern biological engineering technology, scientists begin to look for new ways to tackle this problem. it has become possible to create new iron efficient plant materials or to avoid soil environmental pollution by creating new rootstocks with high iron efficiency as well as excellent complex characters
隨著分子生物學和現代生物技術手段的發展，科學家們開始尋找新的方法來解決缺鐵問題，創造鐵吸收利用高效型的植物種類已經成為一條有希望的途徑，在果樹生產中，創造新的綜合性狀優良同時又耐缺鐵的砧木便可以達到既防治果樹缺鐵又保護環境的目的。Tt _ dtc realizes a series of processes including data preprocess, decision tree classification, producing rules and prediction analysis, which based on the data of train tickets and aimed at the characters of tram tickets which have large amount of data and complex attributes
Tt _ dtc方法以鐵路客票數據為基礎，以鐵路客票營銷分析為目的，針對鐵路客票信息數據量大、屬性復雜、域值廣等特點，實現了從數據預處理、決策樹生成到規則提取、知識產生等一系列過程。With rich data hi tram tickets system, how to mine useful knowledge is an important problem. applying the technology of classification hi train tickets analysis, we construct a new classification method tt _ dtc ( decision tree classification based on train tickets ). we apply new classification algorithm sf _ dt ( decision tree classification algorithm based on splitting files ) that bases on splitting files and quantity rules, which aimed at the characters of train tickets
本文將數據挖掘中的分類技術用於鐵路客票營銷分析中的客票分類，形成了一種新的分類方法tt _ dtc （ decisiontreeclassificationbasedontraintickets ） ，該方法針對鐵路客票的實際特點，採用新的基於文件分割和定量規則的決策樹分類演算法sf _ dt （ decisiontreeclassificationalgorithmbasedonsplittingfiles ）對客票數據進行分析，以達到依據客票屬性特徵對客票發售及列車運營情況進行分類及預測的目的。分享友人