A network of dark, dense clouds of dust and gas sprawls across the constellation Vela.
黝黑浓密的尘埃和气体云形成的网络蜿蜒着穿过了船帆座(constellation Vela)。
Complex terrain of network design, dust source points sealed design and the choice of devices, mobile sources dust-dust control and grass control are the key link.
复杂地形的管网设计，尘源点的密封装置的设计和选用，移动尘源的粉尘扩散控制以及二次扬尘的控制是整个工程中的重点和难点。
Using BP neural network to simulate the process of construction fugitive dust, and get quantitative model under certain constraints.
利用BP神经网络，对施工扬尘过程进行模拟，得出一定约束条件下的扬尘量化模型。
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