head pond 中文意思是什麼

head pond 解釋
上游池
  • head : n 1 頭,頭部,首。2 頭腦,才能;智力,想像力,理解力。3 前部,上部;頂端,尖突部;船長;(書頁等...
  • pond : n. 池塘;魚塘。 the big [herring] pond 〈戲謔語〉北大西洋。vt. 把…挖成池塘;堵(溪流)水成池 (back; up)。vi. (水)蓄積成池。
  1. After molting three times, the zoea enter the mysis stage during which they begin to look more like adult shrimp and swim in a characteristic fashion with head and tail pointed downwards at right angles and occasionally performing a sudden retrograde jumping action. this is known as the inversion state, the fry being suspended upside - down in the upper middle region of the pond water. this is, therefore, also called the " inverted suspension phase "

    眼幼蟲脫第三次即進入糠蝦期幼蟲期mysis stage ,此期之體形已略成蝦之狀態,且具特有之游泳姿態,即頭部及尾部均向下,成一直角彎曲而時作向後跳躍游動,又因成倒立狀態,懸浮於水中的中上層,又叫倒吊期,此期幼蟲對外界的環境因素,如水溫鹽分等變化,比前兩期來得更具適應力,主要餌料為豐年蝦brine shrimp的幼蟲,但其他大小略同的動物性浮游生物,如橈腳類copepoda輪蟲類rotifera均可。
  2. Work uses expect that careful study, handicraft are meticulous, pretty color to wield reasonableness, the cricket is almost lifelike in appearance to be skill in a vulture one only for a short time, crawl naughtily on a good fortune melon, lower self head being gazing at front slice countless rich fruits melons and fruits, a luxuriant vine tendrilled vine higher authority has born plump good fortune melon all over, alone the jade has plucked the exquisite familiar above color carving out captivating every good fortune melon, the full, glittering and translucent light pond mellow and sweet, has been attractive very

    作品用料講究,工藝細致,俏色運用合理,精雕的一隻小蛐蛐栩栩如生,調皮地爬在一個福瓜上,低頭望著前面一片碩果累累的瓜果,一棵豐茂的藤蔓上面結滿了一顆顆飽滿的福瓜,上面精美的熟色獨玉摘雕出一個個誘人的福瓜,圓潤飽滿,晶瑩亮澤,十分誘人。
  3. Test results show that the flow regime is good in a head tank with a greater length of the outlet pond and a smaller contract angle, while the sediment deposition is heavy

    試驗結果表明,出水池長度較長,收縮角較小的高位井中的水流流態較好,但池內泥沙淤積程度較重。
分享友人