问题
填空题
在静力或间接动力荷载作用下，正面角焊缝的强度增大系数βf=1.22，但对直接承受动力荷载的结构，强度增大系数βf=______。
答案
参考答案：1.0
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在静力或间接动力荷载作用下，正面角焊缝的强度增大系数βf=1.22，但对直接承受动力荷载的结构，强度增大系数βf=______。
参考答案：1.0
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| The position of children in American family and society is no longer what it used to be. The 1 family in colonial (殖民时期的) North American was mainly concerned with survival and 2 that, its own economic prosperity. Thus, children were 3 in terms of their productivity (生产能力), and they played the role of producer quite early. 4 they fulfilled this role, their position in the family was one of subordination (附属). Which the 5 of the society, the position of children in the family and in the society became more important, In the complex and technological society 6 the United States has become, each 7 must fulfill a number of personal and occupational 8 and be in contact with many other members. 9 , viewing children as necessary members of society means that they are 10 more as people in their own right than as those of subordination. This acceptance of children as 11 participants in the family is reflected in various laws 12 the rights of children and in the social and public welfare programs. This new 13 of children and the frequent contact between the members of society has also 14 an increasing interest in child-raising techniques. People today spend much time 15 the proper way to 16 children. Nowadays, the socialization of the child in the United States is a 17 transaction (事务) between parent and child 18 a one-way, parent-to-child training 19 . As a consequence, socializing children and 20 with them over a long period of time is for parents a mixture of pleasure, satisfaction, and problems. | ||||
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