Spatial imagination for junior high school students, this asking for too much, so the stage only made compulsory syllabus students the concept of space
Space imagination ability for junior high school students, this kind of requirement is too high, so the teaching stage of the teaching stage of the syllabus only put forward the concept of training students space
The ability of space imagination is too high for junior high school students, so the syllabus of compulsory education only puts forward the idea of cultivating students' space