OpenGL es is a subset of the widely known OpenGL 3d library and is becoming the DE facto standard for native 3d implementations on constraint devices.

OpenGL ES是人们熟知的OpenGL 3d库的子集，事实上已成为约束设备上本地3d实现的标准。

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Private commuter minibuses, known as "daladalas", are the main mode of transport in Dar es Salaam, one of the world's fastest-growing cities.

BBC: Tanzania: Dar es Salaam launches first commuter trains