The paper generally introduces management system, management methods and main contents of SINOPEC scientific research and development activities confronting future challenges.
概括介绍了面对未来挑战中国石化总公司科技研究与开发活动的管理体制、管理方法和主要内容。
In addition, it reveals a deep social significance reflected by tree image and growth of Sethe, that is, only by confronting and understanding the past life can the blacks create a bright future.
本文还通过塞丝的成长历程反映了美国黑人的历史，揭示了隐藏在树意象和塞丝的成长经历背后的深刻的社会主题：美国黑人必须去正视、去理解那不堪回首的往昔岁月，才能够开创出美好的未来。
In addition, it reveals a deep social significance reflected by tree image and growth of Sethe, that is, only by confronting and understanding the past life can the blacks create a bright future.
本文还通过塞丝的成长历程反映了美国黑人的历史，揭示了隐藏在树意象和塞丝的成长经历背后的深刻的社会主题：美国黑人必须去正视、去理解那不堪回首的往昔岁月，才能够开创出美好的未来。
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