共 50 条
- [1] Sediment deposition and migration feature in the filter layer of micro-irrigation sand filter Nongye Gongcheng Xuebao/Transactions of the Chinese Society of Agricultural Engineering, 2023, 39 (04): : 76 - 83
- [8] AN AID TO IMPROVEMENT OF FILTER APPROXIMATION IRE TRANSACTIONS ON CIRCUIT THEORY, 1962, CT 9 (04): : 400 - &