Some of these representation systems are very complex (such as compressed image files), while others are rather simple.

在这些表示系统(用于将信息转换成数字的系统)当中，有一些是很复杂的(比如图片文件的表示)，而有一些却是十分简单的。

youdao

Both realism and naturalism are mimetic systems or practices of representation.

现实主义和自然主义都是模仿的做法或者表现的习惯而已。

《柯林斯英汉双解大词典》

The results of a software application may be observable or measurable but the representation of systems is mental in nature.

我们可以看得见或者评测出软件应用程序的效果，不过其系统表现形式本质上却是思维的。

youdao

Proportional-representation systems are meant to correct these defects.

ECONOMIST: Blair��s genie

She said ministers were building on the strengths of previous systems of representation while working to mitigate problems associated with them.

BBC: Health and Social Care Bill part three

New systems of proportional representation have been introduced for elections in Scotland and Wales, and for the European Parliament, in place of Britain's time-honoured system of first-past-the-post.

ECONOMIST: Britain