英语语法分析

After the practical test on this system, it has the expectant effection.

通过实际测试，本系统取得了预期的效果。

The principle and effection of correlation filter are also discussed in the paper.

文中还对该仪器中所使用的相关滤波器原理及滤波效果等问题进行了讨论。

Objective to study the effection of the lumbar puncture treating patients with brain stem hemorrhage flooding into ventricular.

探讨腰椎穿刺术对脑干出血破入脑室患者的治疗作用。