theory of two points

To introduce a method of machining technics for inner ball face by horizontal lathe with according to the theory of any two points on ball face to the center of the ball are equal.

根据球面上任意点到球心的距离相等的数学定义，运用实现基本动作，结构最简化的设计思路，设计一种内球台球面在卧式车床加工的装置。

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Trade theory points out, put in the international trade of two of types.

贸易理论指出, 存在两种类型的国际贸易.

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According to some experts' questioned to this theory, the author analyzes two kinds of model for estate management, and points out the disadvantages of the two vertical management strategies.

鉴于一些学者对该理论的质疑，笔者分析了两种遗产管理模式，指出两种模式所产生的弊端皆源于垂直性的管理体制体制，并提出自己的见解。

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Abstract There are two major ideas in the theories of unbalanced regional development: the theory of development poles and the theory of circulation of accumulative causal relationship. These two points are actually denial of balanced development.

本文认为：作为西方地区不平衡发展理论的两种重要观点，增长极理论和累积性因果循环理论实际上都是对平衡发展主张的否定；

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This paper points out that the theory of hierarchies of rules of law consists of methods of government, form of institution, state of order and idea of value, which can be considered falling under two categories: institutional rules of law and conceptual rules of law.

法治层次论主张法治由治理方式、制度形态、秩序状态和价值理念等4个高低不同的层次组成，这4个层次，从宏观上又可分为制度法治和观念法治两大部分。

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The theory of contract has two points about the beneficence for sales promotion& promise contract and practice contract.

契约说又存在两种分歧，一是认为促销赠物合同为诺成合同，一是认为是实践合同。

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