1) second moments theory
二阶矩理论
2) once two rank quadrature reliability theory
一次二阶矩理论
3) theory of Ⅱ order
二阶理论
1.
The reasonable method based on theory of Ⅱ order to determine the unattached height and intervening distance of tower crane;
基于二阶理论的塔机独立高度及附着间距的合理确定
2.
The beam element stiffness matrix on plane problem can be got from the equilibrium equation of a beam -column which is built according to the theory of Ⅱ order.
运用二阶理论建立的梁－柱平衡方程导出平面梁单元刚度矩阵；在小变形条件下，该刚度阵精确地包含了梁单元的线性刚度阵和几何刚度阵。
5) second-order theory of mind
二阶心理理论
1.
Two experiments were conducted to explore the effects of second-order Theory of Mind and Executive Function on 6 to 10-year-old\'s understanding of irony.
以6-10岁儿童为被试,考察二阶心理理论和执行功能在儿童反语理解中的作用。
6) Second-order Moller-Plesset perturbation theory (MP2)
二阶微扰理论(MP2)
补充资料：矩矩吒
【矩矩吒】
（动物）又作鸠鸠吒。鸡也。见求法高僧传等。
（动物）又作鸠鸠吒。鸡也。见求法高僧传等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条