Given a sentence in Chinese, provide an equivalent paraphrased translation in English that retains the same meaning both through the translation and the paraphrase.

还创造了几个电子动画角色......一只巨大的鹅（Galaga）和一个用于木偶的Cernos的电子动画头。
There were also several animatronic characters created ... a giant goose ( Galaga ) and an animatronic head for the doll 's cernos .

他在纽约市担任计算机顾问和软件工程师多年，然后于1998年搬到亚特兰大。
He spent several years in New York City as a computer consultant and software engineer and moved to Atlanta in 1998 .

假设因果关系是线性的，这种背景知识可以用以下结构方程模型（SEM）规范表示。

Assuming that the causal relationships are linear , this background knowledge can be expressed in the following SEM specification ( Structural Equalization Model ) .