Note the timely implementation of preventive conservation measures can greatly increase the conservation benefits and improve the road service life.

说明及时实施预防性养护对策能大大提高养护效益，提高路面使用寿命。

youdao

Article 2 as used in this Law, the term "water and soil conservation" means preventive and rehabilitative measures taken against soil erosion which is caused by natural factors or human activities.

第二条本法所称水土保持，是指对自然因素和人为活动造成水土流失所采取的预防和治理措施。

youdao

Preventive conservation is no less important as the main factor of preservation of museum collections, particularly manuscript collections.

UNESCO: and IFESCCO supported conduction of the Regional Thematic UNESCO/ICOM Training on Preventive Conservation as the Main Factor of the Preservation of Museum Collections: Manuscript Funds | United Nations Educational, Scientific and Cultural Organization

It followed an initial workshop held in Beirut from 22 to 26 October 2007 on the theme "Managing the Preventive Conservation of Museums".

UNESCO: OFFICE IN BEIRUT

At the end of the training basic recommendations on improving preventive conservation of museum collections, in particular manuscript collections in CIS countries were developed.

UNESCO: and IFESCCO supported conduction of the Regional Thematic UNESCO/ICOM Training on Preventive Conservation as the Main Factor of the Preservation of Museum Collections: Manuscript Funds | United Nations Educational, Scientific and Cultural Organization