例句與造句

1. 3 . the classification and the description of the assembly features are researched and the feature models of the parts are built in caxa, and the parts are assembled to hierarchical assembly model
   3、研究了裝配特征的分類及裝配特征的描述,在caxa實體設(shè)計中進(jìn)行零件的特征建模,并將這些零件裝配成具有層次關(guān)系的裝配設(shè)計模型。
2. in this thesis, a hierarchical assembly model for assembly planning is brought forward firstly, which is established by accessing the basic product data obtained from commercial cad systems . the data is then analyzed and classified into two layers . the low layer stores the basic geometric information like part's shape and position; the high layer stores the abstract information like contact and connection information
   在本文的研究中，提出了一種面向裝配規(guī)劃的層次裝配模型，該模型首先從cad系統(tǒng)獲得產(chǎn)品裝配模型的基礎(chǔ)數(shù)據(jù)，在此基礎(chǔ)上進(jìn)行數(shù)據(jù)處理，將裝配信息分兩層存儲，低層裝配模型信息存儲具體的零件幾何形狀與位置信息；高層裝配模型信息存儲零件之間抽象的接觸和聯(lián)接關(guān)系信息。
3. It's difficult to find hierarchical assembly in a sentence. 用hierarchical assembly造句挺難的