被称为现代行政之父的是以下哪位学者() ["古德诺","怀特","威尔逊","马斯洛"]
常见的预应力施加办法有() ["先张发","后张法","全面张拉法","部分张拉法","特殊张拉法"]
中国共产党正式提出科学发展观的会议是() ["十五届三中全会","十六大","十六届三中全会","十七大"]
基础埋深的影响因素有() ["基底应力大小","地基承载力","气候状况","相邻基础深度","地下水状况"]
框架结构的柱承担() ["剪力","轴力","弯矩","扭矩"]
已知A(熔点600℃)与B(500℃)在液态无限互溶;在固态300℃时A溶于B的最大溶解度为30%,室温时为10%,但B不溶于A;在300℃时,含40%B的液态合金发生共晶反应。现要求: