They had food and clothing sufficient for their needs.

1、

Toil or effort as such is neither necessary nor sufficient for acquisition.

辛劳或努力同样地既不是必需的也不是充份的为获得.

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2、

These laws have not proved sufficient for closure of the problem.

要解决这一问题,这些定律尚不充分.

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3、

Necessary and sufficient condition of all expanding-maps of circle having norder iterative solutions was determined.

得到圆周上所有扩张自映射具有n阶迭代根的充要条件.

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4、

After constantly improve and update equipment, the project has recommended a sufficient condition.

经过不断完善、更新设备, 具有推荐此项目的充分条件.

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5、

Although economy is not free sufficient condition, but actually, it is free requirement however.

经济虽非自由的充分条件, 但实际上, 它却是自由的必要条件.

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6、

The sufficient condition for system model and its inversion approximated by wavelet networks are presented.

针对非线性内模控制结构,给出了小波网络逼近系统正、逆模型的充分条件和实现方法.

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7、

Demographic growth is not a sufficient condition for power or prosperity.

人口统计学意义上的增长,并非实力或繁荣的充分条件.

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8、

Sift out the true from the false.

为伪存真.

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9、

Sift out the most important names from this list of possible speakers.

从这张可能发言的人的名单中挑出最重要的名字来.

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10、

Lamps is integral structure, has the characteristics of good thermal dissipation, easy installation and reliable function.

灯具采用整体式结构, 具有良好的散热性, 安装方便,性能可靠.

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11、

In the paper , a precision numerical integral method is presented.

建议一种高精度数值积分的方法求取自由面边界积分项.

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12、

By applying fast multipole expansion, the boundary integral equation about 3 D potential problem is made discrete.

应用快速多极展开法将三维位势问题的边界方程离散.

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13、

Main ingredients are the technology of integral equation and the fixed point theorems on cone.

主要工具是积分方程技巧和锥上的不动点定理.

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14、

The singular integral equation for the unkown crack opening displacement is derived.

求出了以裂纹张开位移为未知量的奇异积分方程.

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15、

Straightforward algebra leads to the integral equation quoted above.

上面引用了简单代数的积分方程.

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16、

The relationship between crack length and stress intensity factor or crack opening displacement is also given.

用边界积分方法,分析表面裂纹的张开位移和应力强度因子.

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17、

The affection of tilting angle of welding parts to stress intensity factors were researched.

给出了有限元法计算模型,研究了焊口倾角对焊口应力集中系数的影响.

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18、

The numerical examples illustrate the influence of the width on image force and stress intensity factor.

通过数值算例讨论了条形介质宽度或厚度对相互作用的影响.

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19、

We study stress intensity factor of thick wall cylinder with cracks under dynamic load.

研究了动载荷作用下带裂纹厚壁筒的应力强度因子.

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20、

According to the singular stress filed , the formula of stress intensity factor crack terminal is acquired.

在此基础上, 得到了基于裂纹面上的位移间断计算裂纹端点应力强度因子的具体表达式.

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