Jikai

闼───A new type of fish;几───What time

the risk assessment of a new type of concrete artificial fish-reefs in Shengsi when typhoon waves with the lowest water level and maximum tidal current speed occur.───风暴潮影响下的嵊泗海域人工鱼礁工程做了风险评估，考虑了台风暴潮中出现的大浪和风暴潮减水对鱼礁联合作用的危害。