theory sight理论视域theoryn.学说；理论；原理；意见theory of poverty relieving扶贫理论theory of limit equilibrium极限平衡理论theory of ecological system生态系统理论Theory of Moral Development道德发展理论Theory of western democracy均衡思想theory of monistic training一元训练理论Theory of Educational Goals教育目标论theory of Deng Xiao- ping邓小平理论theory of innate characters音律说theory of plates and shells板壳理论