This is less than the total biological production in the main water column, or pelagic zone.
它比主水体或远洋区的生物总产量要少一些。
Suddenly, the water column was no more, music stopped.
突然，水柱全没了，音乐也停止了。
A tangled kelp forest fills the water column off the coast of Maine.
缠结的海带森林弥漫着水柱沿海海面的缅因州。
This is triggered by the buoys' anomalies of water column height above the sea floor.
这是浮标(检验测定)到了海床上边不没事了的水体高度而被触动引发的。
With warm, buoyant water on top and cold, dense water below, the water column doesn't mix easily.
上层水温暖而浓度小，下层水寒冷而浓度大，因此水体难以混合。
"Whales, on the other hand, often feed at depth," says Roman. "So they feed low in the water column."
“另一方面，鲸鱼通常在深海觅食，”罗曼说：“它们在深水层吃东西，在海面附近排便。”
Phosphorus release of soils in the drawdown area strongly affected eutrophication of water column.
消落区土壤磷素释放对水体富营养化有重要影响。
The gravity of this water column continuously produces the vacuum and so a vacuum pump is not needed.
水柱的重力不断地引起真空，所以真空管是不需要的。
To provide accurate reading of head pressure , the line should connect at the base of the water column.
为了提供精确的水头压力参数，管线应该连接到水柱的底部。
The penguin ascends the water column gradually, spending a lot of time at intermediate depths (green colours).
企鹅是在水中逐渐上升的 在中间深度的地方花费了大量的时间(绿色的部分)。
What happens is this: the water column gradually heats, but high pressure keeps the deeper parts from boiling.
这一切是这样发生的：水柱被逐渐加热，但是压力使深处的水不能沸腾。
Assemble 3 piece water column sight tube in numerical sequence and attach to top half of body module adaptor.
安装3件式水量数字序列观察管，并将其附加在阀体模块适配器的上半部。
Three formaldehyde-filled jars tell a tale of diminishing life in a water column about 90 miles north of the well.
这三罐装满福尔马林瓶子告诉读者位于油井北方90英里处海域的生命是如何随着时间消逝的。
So we are looking at things in the offshore deepwater environment, as well as up through the water column and all along the shorelines.
所以我们正在关注近海深水环境中的事物，以及水体和沿海岸线的事物。
Unlike salmon, moreover, oysters are filter feeders that clean up the water column, making oyster farms healthy parts of the ocean.
然而，不像鳜鱼，牡蛎具有滤食性，它能够清理水系，让养殖农场成为海洋环保的一部分。
For the most part, it works best in shallow depths of up to about 8 meters where plenty of sunlight still exists in the water column.
大多数情况下，水下模式比较适用在水深不超过8米的地方，那里还有比较充足的阳光。
If you are fishing deep (15 + feet), then lean towards lighter line, which will let you keep the bait down in the water column easier.
如果你做钓的是深水(15 +英尺)，那么这时细一些的线能让你更好的把饵保持在深水。
The Model 1600a precision vacuum regulator features control sensitivity of 1 water column and a balanced supply valve for high precision.
示范1600a精密真空调节器控制1敏感性水柱和高精度供求平衡的阀门。
Because larger plankton require more nutrients, they have a greater need for the vertical mixing of the water column that restocks depleted nutrients.
由于较大的浮游生物需要更多的养分，为了补充耗尽的养分，它们对于水体中的垂直混合有着更高的需求。
Some species also don't have swim bladders, gas Chambers that help other fish control their buoyancy as they travel up and down the water column.
这些种类中有部分的鱼不具备可以自由上浮下沉的鱼鳔或者气囊。
Among the oxygen consuming factors, AR was the largest oxygen consumer, which made up more than 70% of the total oxygen consumption of water column;
在池塘氧耗因子中，水呼吸是最大的溶解氧消耗者，占水柱总耗氧量的70 %以上；
And physical differences between regions, such as currents and the stratification of the water column, will also complicate the response of food webs.
在不同的地区，水的物理性质(如：水体的流动与分层)也会有所差异，这也将使得鱼类对食物网的反应复杂化。
"I would estimate that when exploring the deep water column, more than half the animals we see are undescribed or new to science," Osborn said in an email.
“我估计，我们在探索深水区时发现的动物有一半以上都是之前科学界未见过或未描述过的。”奥斯本在一份电子邮件里写道。
Aggregates in the bottom layer were much smaller than those in the upper and middle layer because of the turbulence in the bottom of the water column.
底层颗粒物聚合体大小明显小于上、中层聚合体，可能与水体底部湍流有关。
One-Way Pressure Regulating Tower is effective to protect water hammer which is caused by discontinuous water column invited by vacuum inside the pipeline.
单向调压塔是一种用于防止管道系统中产生负压，导致水柱分离再弥合的水锤防护措施。
It found out that the extensive barge traffic on the river plays a beneficial role on dissolved oxygen besides generating oil pollution in the water column.
利用质量平衡，建立了污染物量和水质之间的直观关系，发现了繁忙的机动船只运输对运河产生油污染的同时，会对水体中溶解氧产生有益的贡献。
It is necessary to understand and determine the physiological rate parameters and dynamic state of biological Structure of phytoplankton in the water column.
了解和确立水体中浮游植物的生理速率参数与分布结构动态是必要的。
It is necessary to understand and determine the physiological rate parameters and dynamic state of biological Structure of phytoplankton in the water column.
了解和确立水体中浮游植物的生理速率参数与分布结构动态是必要的。
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