feature hole 中文意思是什麼
feature hole
解釋
特徵穴-
This paper analyzes the repairing feature on perforating casing and presents a new procedure that the root of perforating hole is covered by a little block age plate and then repair welding is carried out
通過對射孔槍管修復特點的分析，提出了先利用小堵板蓋住射孔眼的根部，再進行補焊的新工藝，實現了槍管的重復利用，為油田同類產品的修復提供了寶貴經驗。 -
Aiming at the shortage of material information, tolerance information, technical information, and so on in the model, the author conducted a research on a step based and feature oriented method to integrate the information in the model. the models for several common features were created. they are hole feature, planar face feature, outer - round feature, planar pocket feature, revolved groove feature, circular pattern feature, and rectangular pattern feature
針對現有數據模型在材料、公差以及工藝信息等方面的缺失，研究了在基於step的面向特徵的產品數據模型中集成這些信息的方法，建立了一些常見特徵，如孔類、平面、外圓、平面槽及旋轉槽、圓周陣列、矩形陣列等特徵的信息模型，並用express語言來表達，該模型不僅包含幾何拓撲信息，而且增加了公差、工藝路線、裝夾定位、加工方法、及材料等信息。 -
In the fourth chapter, the method of assembly feasibility analysis for shaft and hole feature was established. first, conformance analysis technique was build. as for lmc and mmc of rfs principle, sufficient and necessary condition was given
首先建立圓柱要素的相符性分析技術，基於漂移帶的尺寸公差語義，結合當前國標，對于lmc條件以及採用獨立原則的mmc條件，給出相符性驗證的充要條件；對于採用獨立原則與最大實體原則的mmc條件，給出相符性驗證的充分條件。 -
Seismic wave field feature of ordovician carbonate karst reservoir ( cave, reef, hole, crack and cranny ) in tahe oil field is the difference magnitude diffraction wave over weak reflection amplitude, so, the diffraction wave exact imaging and fidelity amplitude processing is the basic of carbonate karst reservoir study
摘要塔河油田巖溶儲集體（洞穴、礁灘、孔洞、裂縫或裂隙等）的地震波場特徵是弱反射背景之上的強弱不同的繞射波，因此，繞射波準確歸位成像和振幅保持是研究巖溶儲集體的基礎。 -
Then the series of images can be connected into a w hole one by using the technique of image mapping. the real size of the flaw feature values ( such as area, length and width ) can be calculated by scaling the pixel on the spot
在計算疵病實際尺寸的時候，還必須進行現場定標，以得到圖像中的像素和實際尺寸的換算當量，然後利用換算當量計算圖像的特徵值（如疵病的面積、長度和寬度等） 。 -
To explain how to design, develop and realized a capp domain component, we give a example which is a arithmetic service component based on ann to generate machining chain of the hole feature
本文以基於人工神經網路的零件表面加工方案決策構件為例進行capp領域構件設計與實現。開發領域可復用軟體構件目的是為了capp應用工程的需要。 -
First is the integration of back propagation, clustering and decision tree technology in a seamless hole. second is the improvement of three - layer architecture. and weights are detailed to the connection between different feature - value pairs and cases instead of to the connection between features and cases
一是在同一模型中融合了後向傳播演算法、聚類技術、決策樹技術；二是把實例的三層結構進行了改進，並把實例與屬性之間的連接權重細化到實例與屬性取值間的聯接權重；三是在後向傳播演算法中引入差分hebb學習法，並在計算過程中充分考慮了歷史數據的影響。 -
Abstract : an experimental investigation of local scour around a new type bridge pier under a clear water regime is presented. the main characteristic feature of flow is relatively large horseshoe vortex flow along the circumference of the pier. and the procession of scour is discussed in this paper. equation for predicting the depth and area of local scour hole is presented. it is significant for evaluating the potential for scour around this type pier
文摘:介紹了一種新型橋墩即多腹薄壁墩的局部沖刷試驗成果.認為橋墩周圍的水流以繞流橋墩的相對較強的馬蹄型漩渦系為主要特徵.並討論了沖刷過程，給出了預測沖坑深度及大小的關系式，可供估算同類型橋墩的沖刷參考 -
The feature of flexible grinding discs is especially suitable for the operation of an arc and hole curve
可彎曲砂輪之特性，特別適用於弧曲及孔曲面之作業。 -
Feature of black hole numbers and its magic generation
黑洞數的性質與它神奇的衍生法
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