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- When it concerns the deep submergence rescue in the world, on the condition of low visibility and great-ocean current, especially large leaning, it is very difficult for DSRV to mate with the wrecked submarine under water and realize rescue. 就目前世界各國的深潛救生技術(shù)而言,在潛艇失事海域的海況比較惡劣的情況下,尤其是當失事潛艇有較大的傾斜時(shí),成功地實(shí)現與失事潛艇的對接從而營(yíng)救失事艇內人員仍然是非常困難的,主要原因有以下兩個(gè)方面:
- A diesel submarine is able to cruise under water for a short period of time, but a nuclear one is able to cruise under water much longer. 柴油潛艇在水下只能航行非常短的時(shí)間，而核潛艇在水下航行的時(shí)間要長(cháng)得多。
- Under water, famine; under snow, bread. [諺]洪水造饑饉，瑞雪兆豐年。
- Several fields are under water after the heavy rain. 大雨過(guò)後有幾片耕地被淹。
- The submariners must have "ears" to take the place of "eyes" when the submarine has to stay under water. 當潛艇不得秒停在水下時(shí)，潛水員必須用“耳朵”代春“眼睛”。
- Able to set and harden under water, as Portland cement. 在水中變硬的能在水下定型并變硬的，如波特蘭水泥
- The submarine to which an atomic engine is fitted can stay under water for months. 那艘裝上了核發(fā)動(dòng)裝置的潛水艇能在水下停留數月。
- Most amphibians live near or under water. 大部分的兩棲動(dòng)物住在靠近水邊或水底。
- The fields were under water after the heavy rain. 大雨后田野為水所淹。
- The boy wanted to duck under water. 這個(gè)男孩想潛入水中。
- A diesel submarine is able to cruise under water for a short period of time, but a nuclear one is. 柴油潛艇在水下只能航行非常短的時(shí)間,而核潛艇在水下航行的時(shí)間要長(cháng)得多。
- I will time when you stay under water. 我來(lái)計你呆在水下的時(shí)間。
- It will take root in the mud under water. 在水底的淤泥中扎根生長(cháng)。
- Under water, famine, under snow, bread. 洪水造饑饉，瑞雪兆豐年。
- He learns to breathe out under water. 他學(xué)習在水下吐氣。
- The boy wanted to duck under water . 這個(gè)男孩想潛入水中。
- Coastlines will disappear under water. 海岸線(xiàn)將消失在海水之下。
- What about structures that are partly under water? 部分結構在水下的建筑怎么說(shuō)?
- How Do Frogs Breathe Under Water? 青蛙在水下呼吸的秘密是什么?
- How long can you remain under water? 你能在水底下呆多久?
