upper bottom layer 中文意思是什麼
upper bottom layer
解釋
下部的上排鋼筋-
The characters of velocity ' s distribution within the mid - layer of the middle crust resemble that of the upper crust ' s bottom layer, and the velocity strongly disturbed. the prominent higher velocity anomalies exist below the linbi uplift and the hu - su uplift within this layer
中地殼的中間層速度分的基本特徵類似上地殼底部,橫向均勻性顯著;中地殼下部速橫向不均勻性明顯,在靈壁隆起和湖蘇隆起的下部有顯著的高速異常。 -
Such a model of egg production would be benefit this species to survive in this waters area and become a dominant species. for subitaneous eggs, in winter - spring with long hatching time, the females lay in nighttime in upper water layer. the distance for eggs sinking to the sea - bottom is also long
對于滯育卵來說,雌體日間在海區下層水體產卵,可使得滯育卵快速沉至海底,縮短滯育卵在水體中的滯留時間,降低在水層中被攝食的風險,同樣也有利於個體的存活和種群的延續。
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