1.
Procedure of doing PPH twice in the treatment of internal rectal mucosal prolapse with severe hemorrhoid
痔上黏膜二次环切治疗直肠黏膜内脱垂合并重度痔的临床研究
2.
Clinical Study of Operative of Procedure for Prolapse and Hemorrhoids and Repeated PPH in Treating Severe Hemorrhoid
单次法和二次法吻合器痔上粘膜环切术治疗重度痔病的临床研究
3.
tangent-cone of a qualric
二次曲面的切线锥面
4.
Studies on Mineral Secondary Pollution and Its Profound Problem
矿山环境二次污染及深层次问题探究
5.
Limit cycle of Hamilton system under quadratic perturbation
一类二次Hamilton系统在二次扰动下的极限环
6.
Cyclic Codes and Quadratic Residue Codes over Ring F_2+uF_2;
环F_2+uF_2上的循环码和二次剩余码
7.
Geometric construction of the tangent plane at a poin on the quadratic surface;
二次曲面上一点处切平面的几何画法
8.
Inner point and exterior point of a quadric and its plane of the type of contact plane;
二次曲面的内、外点及切平面型平面
9.
The Elementary Method to Common Quadric Surface Equation;
一般二次曲面切平面方程的初等求法
10.
The Topological Classification of the Quartic Invariant Algebraic Curve Cycles in a Class of Qudratic System;
一类二次系统四次不变代数曲线环的拓扑分类
11.
The Arrangement of Secondary Air in Small and Middle Size CFB Boiler
中小型循环流化床锅炉二次风的布置
12.
Research on Secondary Contamination of Air Conditioning Systems in Closed Environment
密闭环境空调系统二次污染问题研究
13.
Redevelopment of MSC.patran and its integrated development environment
MSC.Patran二次开发及其集成开发环境
14.
PT secondary voltage loop weakness tache and improvement measure
PT二次电压回路薄弱环节及改进措施
15.
Comparison of VB and VC Environment of MapX Based Secondary Development
VB与VC++环境下基于MapX的二次开发比较
16.
Half jins of heavy pork liver, cut 34, burn every week 2, 3.
半斤重的猪肝，切成三四份，每周烧二、三次。
17.
A PLANE PARAMETRIC CUBIC CURVE THAT CONTACTS THE SECOND EDGE OF THE CHARACTERISTIC POLYGON
与特征多边形第二边相切的平面参数三次曲线
18.
Research on Quadratic B-Spline Interpolation Curve with Tangent Constraints
基于切向约束的二次B样条插值曲线的研究