They encompass a wide set of variables to improve knowledge on social, economic and environmental benefits of forests.

其中包含广泛的变量数据以改善有关森林的社会经济和环境效益方面的知识。

youdao

The survey will substantially improve knowledge on land use change including deforestation, reforestation and natural expansion of forests.

调查将显著改善有关土地利用变化，包括森林砍伐、重新造林和森林自然扩展等方面的知识。

youdao

To improve knowledge and skills, the operators must be provided with necessary training.

必须对操作工进行知识和技能的培训，经考核合格持证上岗。

youdao

During the late 19th century, she traveled around the world to learn about foreign cultures and improve her knowledge of art.

VOA: special.2009.01.11

And by learning what it is about economic development or housing that actually helps to improve health, we can then design more programs and ultimately make better use of the knowledge that we have."

VOA: special.2009.07.20

It added that broadening access to clinical trials was essential to improve knowledge of the best treatments for cancers.

BBC: Young cancer deaths 'halved in last 30 years'

Most relevant to today, Congress has investigated the causes behind economic downturns, using the power of investigation to raise public concern and improve knowledge of the economy.

CNN: Commentary: Investigate Wall Street

In 1675, the foundation stone of the Royal Observatory was laid at Greenwich in south London by order of King Charles II, to improve knowledge of the positions of stars and thus aid navigation.

CNN: Sunday,