The position, relations and appearing planes of the deep cervical fascial spaces were observed on the thin serial axial sections. The danger space was proved to exist.

通过颈深筋膜间隙在横断面上的连续薄层断面观测，明确了各间隙的位置、毗邻及出现范围，并证实了危险间隙的存在；

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This paper expounds the causes for the appearing of the new social ranks, explains the important position of new social ranks in united front work and suggests how to conduct the united front work.

就新社会阶层出现的原因、新社会阶层在统战工作中的重要地位及如何开展好其统战工作作了论述。

youdao

This paper expounds the causes for the appearing of the new social ranks, explains the important position of new social ranks in united front work and suggests how to conduct the united front work.

就新社会阶层出现的原因、新社会阶层在统战工作中的重要地位及如何开展好其统战工作作了论述。

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