同时控制住复卷时的线速度，使线速度在一个特定范围内，既保证工作安全，又保证材料顺利复卷。

At the same time, it controls the linear velocity of rewinding, making linear velocity in a certain range, not only ensure job security, but also ensure the smooth rewinding materials.

youdao

是在一个范围内工作的从业人员使用一系列特定的概念和术语来表达这个领域内的知识。

[a domain is] an area of knowledge or activity characterized by a set of concepts and terminology understood by practitioners in that area. 4.

youdao

电力系统的电力设施大多分散地分布在一个特定的地理范围内，这给电力系统的设备管理带来了很多困难。

The facilities of electrical power system were mostly scattered in a specific geographical scope, and this has brought a lot of difficulties in equipment management.

youdao

These implicitly make a claim to the generality--at the national scale, or in the racial sense-- the representativeness of this life.

而不是一个特定的人,这暗含了一种普遍性，在民族范围内或者在种族意义上来看-,来表现这种生活。

耶鲁公开课 - 1945年后的美国小说课程节选