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According to the theory of gear mesh, mesh equation for grinding involute helicoid by grinding wheel is deduced, the equation of the axial section profile of grinding wheel which can accurately grind TI worm is gained.

德国学者[3]最早提出了TI蜗杆传动，认为它是一种很有价值的传动形式。我国的科研

They ran away helter-skelter, but the police gained ground upon them.

他们仓皇逃走，警察紧追而来。

The divergence angle is calculated based on geometry characteristics of two facula curves detected at the different positions to the laser. Facula curves are gained through scanning by two hemicycle probes which have different radius.

该方法以激光光束传输到不同距离处的2条光斑外缘曲线的几何特征为基础来求LD的发散角，而2条光斑外缘曲线分别由2个半径不同的半圆环探头的旋转扫描探测获得。

Information gained from our studies is valuable for studies of plant and insect herbivore interaction and co-evolution, from mechanism to ecological functions.

为研究植物与昆虫相互关系的协同进化，从分子到生态系统水平调控植物的诱导防御，提供理论基础。

The economy of our country reformed heretofore to already had 18 long time, gained the success that attract worldwide attention.

我国的经济改革迄今已进行了18个年头，取得了举世瞩目的成就。

Hu jintao's "harmonious world" thought is diplomatic inheritance of proletarian revolutionists of Chinese old generation and is heritance and development of Jiang zemin's diplomatic thought, is accurate assessment gained from analyzed about the new era、new stage、international and domestic situations, is world development concept that China mentioned, and is momentous theoretic innovation that new central leaders term on China's diplomatic thought, so it has great realistic meaning and international meaning.

胡锦涛"和谐世界"思想是对中国老一代无产阶级革命家外交遗产和江泽民外交思想的继承和发展，是在新世纪、新阶段，对国际、国内形势进行科学分析得出的正确判断，是中国提出的新的世界发展观，是新的中央领导集体关于中国外交思想的重大理论创新，具有重大的现实意义和国际意义。

Caz's father, Gustave, was once a highly respected academic who gained fame and wealth from his books on the Ancient Greek storytellers Hesiod and Homer.

Caz的父亲Gustave，曾经是一个高度尊重学术并以他的书＜古希腊故事赫西奥德和荷马＞享有盛名的人。

Because of this,"Hess" brand, with its excellent performance and high quality in the world and gained high reputation.

正因为如此，"赫斯"品牌凭借其卓越的性能和高质量在全球获得了及高的信誉。

A new TMH（Template-Matching with Hessian matrix） method is proposed in this paper.Firstly lung lobes are gained.

提出了一种新的肺结节检测算法——TMH（引入了Hessian矩阵的模版匹配）算法。

The priorities are the diversification characteristics of each targetin the subsequent water flooding. According to diversification characteristics of these targets,the paper studies how the heterogeneousness, water flooded condition, interconnectingcondition of zone;key measures injector parameters affect these targets from polymer floodingmechanism. Based on influence equations, production target prediction models are built usingHall curve theory, relative permeability curve, relations of water saturation and relativepermeability and material balance equation. Parameters of models are calculated by the way ofcomputer program and so that a simple, fast way have been gained to predict production targetof polymer subsequent flooding.

针对这些指标的变化特点，从聚合物驱油机理上分析其油层非均质性、油层水淹状况、油层连通状况、主要措施及注入参数等因素对这些指标的影响，在分流方程的基础上，利用霍尔曲线原理、相对渗透率曲线、含水饱和度与相对渗透率之间的关系以及物质平衡方程建立起开发指标预测模型，结合数学方法对模型参数进行计算，形成简便、快速、实用的聚合物驱后续水驱阶段开发指标预测方法。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。