Microscopic organisms settle to the seafloor and accumulate in marine mud.
微生物在海底定居并在海泥中积聚。
It can contract into the shape of a little round stone, and sit perfectly still on the seafloor.
它可以收缩成一个小圆石的形状，并完全静止地坐在海底。
Scientists aboard the Glomar Challenger were the first to discover the existence of domelike masses underneath the seafloor.
“格罗玛·挑战者”号上的科学家是第一个发现海底下存在穹顶状物质的人。
In the days following, samples of solid gypsum were repeatedly brought on deck as drilling operations penetrated the seafloor.
在接下来的几天里，随着钻探作业深入海底，固体石膏样品被不断地被带上甲板。
It had, apparently, been fished out of existence; and the once mighty Newfoundland fleet now gropes about frantically for crab on the seafloor.
显然，过度捕捞已经使这里的鳕鱼不复存在了。而曾经很强大的纽芬兰船队现在在海底疯狂地搜寻螃蟹。
Data from diverse sources, including geochemical evidence preserved in seafloor sediments, indicate that the Late Cretaceous climate was very mild.
来自不同来源的数据，包括保存在海底沉积物中的地球化学证据，都表明晚白垩世的气候非常温和。
Data from diverse sources, including geochemical evidence preserved in seafloor sediments, indicate that the Late Cretaceous climate was milder than today's.
来自不同来源的数据，包括存留在海底沉积物中的地球化学依据，表明晚白垩纪的气候比如今的要温和。
Another task for the Glomar Challenger's scientists was to try to determine the origin of the domelike masses buried deep beneath the Mediterranean seafloor.
格洛玛挑战者号的科学家们的另一项任务是尝试确定地中海海底之下深埋的圆顶状物质的起源。
They therefore permit the reconstruction of the process of seafloor spreading, and consequently of the geography of continents and of ocean basins in the past.
因此，它们可以重现海底扩张的过程，以及大陆和大洋盆地过去的地理位置发展过程。
A spiny lobster shyly crawls across the seafloor.
长满刺的龙虾试探着爬过海底。
Critical to these results are magnetic stripe patterns in the seafloor.
这些成果的关键是在海底磁条模式。
Sea urchins brandish their spines on the seafloor near the Channel Islands.
海胆在海峡群岛附近的海底挥舞着它们的棘突。
It is the first time attainable rare earth elements were confirmed on the seafloor.
这是海底可利用的稀土元素资源量首次得到确认。
Basalt is also found on the seafloor surrounding most continents, as well as inland.
在环绕大多数大陆的海底及内陆地区也能找到玄武岩。
Pillow lavas form when molten rock is pushed up onto the seafloor at a very slow rate.
枕状熔岩是岩浆被缓缓推积至海底时形成的。
As it happens, seafloor massive sulphides are also huge-at least they were until recently.
碰巧的是，至少目前海底块状硫化物也是巨大的。
On the final dive of the trip, the scanning sonar detected a large object on the seafloor.
在此次例行探险的最后一次潜底时，扫描声纳在海底发现了一个大型物体。
But when threatened, the animal will clamp down tightly on the seafloor to protect its soft underbelly.
但当其感受到威胁时，这种动物会紧紧地贴覆在海底岩石上，以保护其柔软的腹部。
The country hopes to turn the seafloor deposits of methane hydrates into a commercial source of natural gas.
这个国家希望把海底库存的甲烷水合物转变成一种天然气商业资源。
On a seasonal basis, algal blooms near the sea surface send pulses of organic material to the deep seafloor.
从季节更替的角度，在海面附近发生的赤潮为有机物质向深海地区的运送提供了动力。
Would deploying, maintaining and removing buoys disturb the seafloor or otherwise change the ocean environment?
部署、维护和移除浮标会不会破坏海床或引起海洋环境的其他变化？
Many of the findings come from studies of core samples drilled from the deep seafloor over the past two decades.
许多发现都是来自于过去二十年对于从深层海洋底钻出的矿物样本的研究。
The vast majority of walruses in the Chukchi each summer are females who fatten up on clams that populate the seafloor.
每年夏天生活在楚科奇海域的绝大部分海象都是雌海象，它们吃食遍布海底的蛤蜊储蓄脂肪。
It also tests miniscule changes in gravity on the seafloor, which indicate CO2 density in the reservoir underneath.
StatoilHydro还检测海床那微乎其微的重力变化，它可以标示出二氧化碳在下面水库中的稠密程度。
Kato and the other researchers assumed those particles had absorbed rare earth elements and accumulated on the seafloor.
Kato和另一位研究者相信这些颗粒吸附了稀土元素，并使其在海底沉积。
The crew attaches new lengths of pipe one by one from the top until the "drill string" is long enough to hit the seafloor.
船员们从这根钢管的顶部，一根一根地装上更多管道，直到这根“钻柱”足够长，能碰到海底。
The crew attaches new lengths of pipe one by one from the top until the "drill string" is long enough to hit the seafloor.
船员们从这根钢管的顶部，一根一根地装上更多管道，直到这根“钻柱”足够长，能碰到海底。
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