marine-grade 中文意思是什麼
marine-grade
解釋
造船用-
9 fujian provincial oceanic & fishery administration was awarded special grade for state marine integrated management by the state oceanic administration, 2003
9 2003年福建省海洋與漁業局榮獲國家海洋局頒發的全國海洋綜合管理特等獎。 -
Beneath the relic sand of the outer shelf there is high grade of valuable heavy mineral sand ( for example ilmenite ) reaching the ii anomaly order of marine placers and it is of potential resource prospects
通過碎屑礦物判斷，原巖應是中酸性巖漿巖和淺變質巖類。鈦鐵礦等有用礦物在細砂層位中出現較厚的砂礦異常，顯示一定的淺海砂礦資源潛力。 -
The value of surplus environmental capacity of din exceeded about 70 percent of the 1st grade environmental capacity in 1997. since 1997, the impact of nutrients pollution has begun to mitigate because of the enhancing protection of marine ecology by local government. the variation of surplus environmental capacities of din and po4 - p in jiaozhou bay implicated that the discharge amounts of din and po4 - p to jiaozhou bay were bearable from late 1970s to mid 1980s
但自80年代中期至90年代中後期，營養鹽剩餘環境容量迅速減小，至1997年din剩餘環境容量已超過國家一級海水水質標準下膠州灣din環境容量約70 ，而自90年代末開始膠州灣din剩餘環境容量又有所增加，而po _ 4 - p剩餘環境容量減小速度趨緩。 -
The superstructure is constructed in marine grade light alloy
主體結構由輕型合金構成。
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