The contribution function is to get the line formation region, describing the contribution of stellar atmospheric levels to the observed variables.
构造贡献函数的主要目的是为了得出谱线形成深度，就它的物理意义概括来说，描述的是大气中每一层次对观测物理量的相对贡献。
参考来源 - 贡献函数及Hα色球耀斑的三维重构·2,447,543篇论文数据，部分数据来源于NoteExpress
This essay described the FEM simulation of plastic pipe extrusion: the factors of melt line formation and heat transfer of cooling processing were mainly discussed.
本文利用有限元法对塑料管材的挤出进行模拟。主要讨论了影响塑料管材挤熔接痕形成的因素，以及管子冷却过程的热传递。
The bottom line - low animal protein diet represses cancer formation and promotion.
至少，低动物蛋白的饮食可以抑制癌细胞的形成及扩散。
Brad Carter, lecturer in physics at the University of Southern Queensland, says the observation is in line with current theory of planetary formation.
南昆士兰大学（University of Southern Queensland）的物理讲师布拉德·卡特（Brad Carter）称，这一观察结果与目前的行星形成理论相一致。
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