In this paper, a calculating model of observing orientation for space solar Tadiation measuring systems is introduced.
本文给出了一种空间太阳辐射测量系统观测方位的计算模型。
A calculating model of finite element method with three-dimensional beam element for subsurface pipeline was established.
建立了埋地输油管道三维梁单元有限元应力应变计算力学模型，并给出了求解方法。
A calculating model which can determine directly the load transverse distribution factors of simple supported skew beam Bridges is established.
建立了直接确定简支斜梁桥荷载横向分布系数的计算模型。
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