| 1. | Up to a certain sum of the interior angles on one side of the transversal the two lines might indeed meet .
截线一侧两内角到达一定的和数，两直线可能一定相交。
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| 2. | A polygon having five sides and five interior angles
五边形有五条边和五个内角的多边形
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| 3. | Interior angle welding line joint
内侧角焊缝接头
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| 4. | When other conditions are the same , to the interior angle of friction , mean value of glue and gather play a bigger role to stability and dependability of slope
均值大小对土坡稳定性和可靠性起着更大的作用。在南方，降雨是公路边坡稳定性的主要影响因素之一。
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| 5. | Ask students to demonstrate a proof of the theorem stating that the sum of the interior angles of a triangle is equal to 180 ?
让学生演示欧几里得41号命题的证明：如果一个平行四边形与一个三角形有相等的底边长，又同时夹于两平行线之间，那么这个平行四边形是这个三角形的两倍。
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| 6. | For geodesic triangle in 2 - dimensional constant curvature space , the author improves some geometric inequalities on its interior angle by theory of majorization
摘要对于二维常高斯曲率空间上的测地三角形，研究了其内角的优超关系，并运用优超理论得到了若干新的关于其三内角的几何不等式。
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| 7. | If a straight line falling on two straight lines makes the interior angles on the same side less than two right angles , the two straight lines , if produced indefinitely , meet on that side on which are the angles less than the two right angles
如果一条线段与两条直线相交，在某一侧的内角和小于两直角，那么这两条直线在不断延伸后，会在内角和小于两直角的一侧相交。
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| 8. | The slope stability question is influenced by many kinds of inherent factors , for instance geological structure , intensity of rock body , development state of joint and crack , cohesive force ( c ) of the rock , interior angle of friction ( f ) , groundwater , etc . , these objective factors reflect generally their sizes with some quantitative parameter indexes in the past
边坡稳定问题受多种内在因素影响，如地质构造、岩体强度、节理裂隙发育状况、岩石的内聚力( c ) 、内摩擦角( ) 、地下水等，这些客观因素过去一般用某些定量参数指标来反映其大小。
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| 9. | Abstract : there are only two set values ( 30 , 45 ) for interior angle of the stimulated directional power relay as the protection in phase to phase short circuit fault . an accurate setting formula for interior angle of the microprocessor - based directional power relay as the protection in phase to phase short - circuit fault is proposed and analyzed , users can set as a calculation value or at least an optimum in the formula . therefore the operation sensitivity and reliability of the directional relay would be improved greatly . the opinion is new and practical
文摘:保护相间短路的模拟式功率方向继电器内角的整定值只有两个( 30 、 45 ) ，用户只能在这两个值中选其一；分析并提出了保护相间短路的微机型功率方向继电器内角的准确整定计算公式，用户可以整定为该公式的计算值或至少为最合理的值，从而能显著提高方向继电器的动作灵敏度及可靠性，具有新见解及应用价值。
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