9月24日，全国林业科学技术大会在北京召开。中共中央政治局委员、国务院副总理、全国绿化委员会主任回良玉出席会议并讲话。新华社记者 马占成 摄     On September 24,The national forestry science and technology conference was held in Beijing.Member of the political bureau of the central committee of the communist party/Vice premier of the state council/The national afforestation committee director hui liangyu attent the meeting and delivered a speech.Xinhua news agency reporters MaZhanCheng perturbation