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

相比之下，旅鼠显着地着色并且对掠食者甚至人类观察者表现得很积极。
By contrast , the lemmings are strikingly colored and behave aggressively towards predators and even human observers .

Little Jocko河流经圣劳伦斯河和渥太华河到Jocko河。
The Little Jocko River flows via the Saint Lawrence River and the Ottawa River to the Jocko River .

半线性变换是一种线性“直到扭曲”的变换，意思是“直到标量乘法下的场自同构”。

A semilinear transformation is a transformation that is " up to a twist " linear , which means " to a field automorphism under scalar multiplication " .