In the moving field of loose mine-rock under the ideal condition, the density field is uniform and constant.
在散体移动场中，对于理想散体，密度场为均匀场和定常场；
Constructs basketball court 3, gymnastics moving field 1, 400 meter standard ring-like track and field area 1, has provided the advantage for teachers' and students' sports.
建有篮球场3个，体操活动场1个，400米标准环形田径场1个，为师生的体育活动提供了有利条件。
Constructs basketball court 3, gymnastics moving field 1, 400 meter standard ring-like track and field area 1, has provided the advantage for teachers' and students' sports.
建有篮球场3个，体操活动场1个，400米标准环形田径场1个，为师生的体育活动提供了有利条件。
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