求翻译：本文在充分了解学生空间想象力缺乏的成因后，使学生在掌握数学基础知识的基础上，利用模型和多媒体辅助教学，逐步增强学生的空间想象力。是什么意思？

Fully understand the causes of the lack of student space imagination, so that students grasp the basic knowledge of mathematics on the basis of the model and multimedia assisted teaching, and gradually increase the spatial imagination of the students.

This article in full understanding of the students' lack of imaginative space causes so that students master mathematical basis, based on the use of modeling and multi-media teaching, step-by-step increase students' spatial imagination.

This article after was understanding fully the student space imagination deficient origin, causes the student at in the grasping mathematics elementary knowledge foundation, the use model and the multimedia assistance teaching, strengthens student's spatial imagination gradually.

In this article after you fully understand the causes of lack of space imagination of students, enable students to grasp the basic knowledge of mathematics, based on models and multimedia-aided teaching, and gradually enhance students ' spatial imagination.

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