1. It is an active element in Chinese life environment.

2. Water is an active element in natural environment.

3. Competition mechanism is the most active element of market economy.

4. That air brake isn't the only active element of the Veyron's aerodynamics, either.

5. Man is the most active element in the productivity and the human resource is the resource.

5. is a sentence dictionary, on which you can find good sentences for a large number of words.

6. One information is the most active element in agricultural productivity.

7. An active element that forms a character or symbol when combined in a matrix.

8. But relative to character, content is passive element, the person is active element.

9. It goes without saying that oxygen is the most active element in the atmosphere.

10. So, if monitoring is the passive element, a NIDS is the active element in a network.

11. The invention relates to an electric energy transfer device comprising an enclosed housing (1), provided with an active element (4) that is arranged inside said enclosed housing (1).

12. I think the methodology is aimed at making the pupil an active element in the classroom.