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Based on the current status of domestic invalidation of contract system, reference to the foreign regulations and foreign law and regulations on the invalidation of contract, and starting with the implications of law, the essay focuses o the following aspects: The first three aspects emphasize the analysis on the characters of three types of contracts, which will probably lead to the invalidation of contracts (including invalid contract, dischargeable contract and waiting for efficacy contract), the identification of the lawsuit prescription of invalid contract and the eliminating period of dischargeable contract.

本文拟立足于我国合同无效制度的现状，借鉴国外立法的有关合同无效的规定和法学理论，结合司法实践，从合同无效的法律内涵出发，着重论述以下四方面的内容：前三个方面是对可能引起合同无效后果的三类合同(无效合同，可撤销合同，效力待定合同)性质的分析，并阐述了无效合同的诉讼时效以及可撤销合同的除斥期间的认定等问题。首先是对于绝对无效合同和相对无效合同的区分，笔者认为应采用严格法定主义原则，进一步缩小绝对无效合同的范围，在一般情况下，损害国家、集体、社会公共利益，违反公序良俗，扰乱社会秩序的合同为绝对无效合同。

Some example results show that it is consistent with current formular.So it not only provides an index for assessing the accuracy of line and polygon but also give a formular which can determine the size of confidence...

这不仅为GIS中线、面的精度评定提供了一个指标，而且为任意p维随机向量在不同置信度下、置信区间大小的确定提供了一个通用公式

He had made his leap, he had seen the great world, and was content to stay in his pretty glass house under the big fuchsia tree until he attained the dignity of froghood.

曾经跳出鱼缸，见过了世面的它，现在却心甘情愿呆在这倒挂金钟花下的玻璃房子里，直到变成神气活现的青蛙为止。

The morphology, character and distribution of Navajo haematite concretions allow us to infer host-rock properties and fluid processes necessary for similar features to develop on Mars.

地球上纳瓦霍沙岩与火星上Meridiani Planum之间的类比表明，火星上积累的球状赤铁矿是在有一种可渗透的主体岩石、地下水流和一个化学反应锋面的条件下形成的。

The contact problem between the infinite semicircle cylinder and the plane is a typical example in the field of contact problem research. The solutions obtained through static model are compared with the Hertzian solutions in this paper.

以无限长半圆柱与水平面间的接触问题为算例，本文将静力学计算结果与经典Hertz接触理论解比较，获得了良好的一致；在动力学方面，本文仿真了突然加载下的半圆柱与水平面的接触过程，仿真收敛性良好。

And this reaction nas relations with two major respects : 1 the entrepreneurs own personal qualities as the main body of thereaction behaviours , and 2 the objective environments (individua environment , organizationa environment , and extemal environment ) for them , in which the latter his more important .

首先指出企业家的成长发展状况，是在一定时间内在特定的环境变量的刺激下，所进行的一系列行为反应活动的综合表现，而这种反应主要受到两个大方面的影响：一是作为行为反应主体的企业家的个人素质，二是企业家所处的客观环境(个人环境、组织环境、外部环境)。

And this reaction nas relations with two major respects : 1 the entrepreneurs own personal qualities as the main body of thereaction behaviours , and 2 the objective environments (individua environment , organizationa environment , and extemal environment ) for them , in which the latter his more important .

首先指出企业家的成长发展状况，是在一定时间内在特定的环境变量的刺激下，所进行的一系列行为反应活动的综合表现，而这种反应主要受到两个大方面的影响：一是作为行为反应主体的企业家的个人素质，二是企业家所处的客观环境(个人环境、组织环境、外部环境)。其中，客观环境影响更大。

In particular, traffic accident, asphalt pavement damage and poor antiskid performance appears to be prominent in the areas of high temperature and rainfall. Thus,It is of great realistic significance to ensure traffic safety and reduce damage in steep road by evaluate accident rates effectively, to design an inerrable structure of asphalt pavement to , to enhance the antiskid performance and the durability of that in asphalt pavement.

在南方高温多雨气候和景区园道陡坡急弯组合情况下，如何保障景区园道交通安全、合理设计防推移破坏的陡坡路段沥青路面结构和材料、提高沥青路面抗滑和抗滑耐久性，对于保障南方景区园道沥青路面的交通安全和道路质量均具有很现实的意义。

In this study, we comparedelectrical nerve stimulation and ultrasound guidance for thelateral sagittal infraclavicular block.

这次研究中，我们比较电神经刺激和超声引导用於侧位矢状面的锁骨下阻滞。

We conclude that favorable results can be obtainedwhen either nerve stimulation or ultrasound guidance is usedfor lateral sagittal infraclavicular block.

我们得出的结论是无论是用神经刺激还是超声引导来进行侧位矢状面的锁骨下阻滞都能取得良好的结果。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。