Background and Objectives: Meningeal hemangiopericytoma is an uncommon tumor.

背景与目的：原发于脑脊膜的血管外皮瘤临床少见。

youdao

This paper includes six parts: the first part is the background and objectives of the paper.

本文共分为六章，文中第一章是研究背景及目标。

youdao

Background and objectives: Critically ill newborn is the emergent patient in neonatal department and one of the most important factors leads to death of neonate and disability of children.

背景与目的：危重新生儿为新生儿科急症，也是引起新生儿死亡和导致儿童伤残的重要原因之一。

youdao

Orient and introduce to the participants with the background, guidelines, objectives and concepts of education planning.

UNESCO: Education Planning Workshop for the Caribbean