英语语法分析

Objective High resolution CT (HRCT) was used to observe the microstructure and lesions of lung mesenchyme.

目的研究高分辨CT（HRCT）技术，用以观察肺间质的微细结构及病理改变。

Blood island, reticular cells and scattered CD34 + cells were found in the mesenchyme of placenta chorionic villi.

胎盘绒毛膜间质中可见到造血岛、网状细胞及散在分布的CD 34 +细胞。

Methods Use epidemic antibody and mesenchyme antibody to mark the cell of spindle cell carcinoma, to observe their immunological character.

方法应用上皮性抗体和间叶性抗体标记喉梭型细胞癌细胞成分，观察其免疫学特性。