Methods: The validation for sterility test includes inhibition test for bacteria and fungi and irrigationtest.
方法：无菌检查法的验证试验——抑细菌和抑真菌试验及冲洗量试验。
2
By means of numerical calculation, model test and field investigation the sedimentation of the underground culvert at the main irrigation canal in North -Jiangsu Province was analysed.
通过数值计算、模型试验和现场观测，对通榆河与苏北灌溉总渠立交地涵的泥沙淤积进行了综合分析。
3
Taking Urumqi River Basin as a test region, this paper presents the building principles and approaches of multi-objective grey decision models for land irrigation system in the basin.