The essential change is that models are no longer used only as mere documentation for programmers, but can now directly be used to drive software development.

最根本的改变是模型不再只作为文档供程序员阅读，它们可以直接用来驱动软件开发。

youdao

The large quantity of reclamation led to the essential change of industry structure in the region.

大规模的垦殖造成了区域内产业结构的根本性转变。

youdao

Therefore,better and more timely information on these phenomena are essential to make decisions on climate variability and change.

VOA: standard.2009.08.30

He says access to user-friendly climate predictions and information is essential to respond to climate change.

VOA: standard.2009.08.30

The second essential change is a recognition that the costs of pollution cannot be simply shrugged off as the inevitable downside of development.

ECONOMIST: The smoke in Asia��s eyes

These experiences show that the belief in social change and the offering of future alternatives different from crime and violence realities are essential factors to change the life stories in places marked by social exclusion.

UNESCO: OFFICE IN BRASILIA

In other words, progress in negotiations could well prove essential for a change of leadership in Gaza.

ECONOMIST: Letters