Sea surface and bottom constituted sound propagation environment of the neritic acoustic duct field.
海面与海底构成了声源浅海海域波导场的声传播环境。
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Objective To isolate fungi from sea sediment and sea water samples collected from the neritic environment in Qingdao, screen their antitumor activity and study on their fermentation condition.
Because of the low cost, simple construction, the Neritic Concrete Pile Foundation Platform is proved to be a feasible facility for exploitation of the oil and gas resource in shallow sea.