| 1. | Impact of sand - dredging operations on the marine ecosystem
挖沙工程对海洋生态的影响 |
| 2. | 3 a closed grab shall be used for all dredging operations
所有挖泥作业须使用闭合抓斗。 |
| 3. | 4 the dredging operation shall be at rate of no more than 40 m3 per hour within the designated site boundary
在指定工地界线内进行的挖泥作业，须以不超出每小时40立方米的速度进行。 |
| 4. | Closed grabs that are capable of taking contained buckets of sediments without leakage shall be used for all dredging operations
所有挖泥作业须使用闭合抓斗，可以抓紧满载沉积物的容器而不会渗漏。 |
| 5. | Dredging operations will be carried out in the ponds to ensure that contaminated sediments are not inadvertently allowed into the new drainage channel
池塘会进行挖泥作业，确保受污染的沉积物不会因疏忽而流入新的排水道。 |
| 6. | The project is classified as a designated project by virtue of item c reclamation , hydraulic and marine facilities , dredging and dumping , item c . 10 a marine dumping area and c . 12 a dredging operation exceeding 500 , 000 m
运作期间对环境可能造成的影响，并根据这两项环境影响评估的结果，推荐一项可取的污泥卸置设施 |
| 7. | The function of forecasting was added in the system to reduce the students " mistakes greatly in term of the training ' s demand . the optimized dredging operation guiding and training system makes the dredging process training simulator be better at training and teaching
疏浚作业优化操作提示系统使疏浚作业仿真训练器更有利于培训与教学，用于培训疏浚专业学生和挖泥船船员掌握先进疏浚方法，达到高效作业目的。 |
| 8. | This tug shall be designed and constructed in accordance with the requirements of ccs rules on the coastal tugs . this tug shall assist the dredgers in dredging operation , and has the function of towing , fire - fighting and personnel transport etc . main engine : nta855 - m350
按我国规范对沿海航区拖船的要求进行设计建造，主要用于协助csd650整体绞吸式挖泥船或350m3 h整体绞吸式挖泥船挖泥作业，具有拖带消防及运送工作人员等功能。 |
| 9. | According as the mathematic model near the inlet of the 1750m3 / h cutter suction dredger , by researching the method of calculating the slop ' s specific gravity and volume concentration , the thesis adopted instant interactive mode and developed the optimized dredging operation guiding and training system , which has outstanding instructional quality
根据1750m ~ 3 h绞吸式挖泥船吸口处泥浆形成过程的数学模型，通过对计算泥浆比重及体积浓度的方法进行专门研究，采用即时交互方式，按疏浚作业优化操作步骤开发出指导性强的疏浚作业优化操作提示系统。 |
