的向上或向下流动的市场，在一段时间。
The upward or downward movements of a market, during a period of time.
本文对低压水-空气两相流动在立式螺旋管内向下流动的流型及其转变特性进行了实验和理论研究。
This paper describes an experimental and theoretical research on the two-phase flow pattern transition of downflow in vertical helical coils in an air-water loop.
其次，从女性的社会流动趋势来看，与男性相比，女性向上流动的比例较低，而水平流动和向下流动的比例较高，女性的社会地位有进一步下降的趋势。
Second, compared with men, the percent of women flowing upward in society is lower but that of horizontal and downward mobility is higher, and social standing of women tends to further decline.
向下流动是一根不断缩短的导火线，将产生深远的影响。
Downward mobility is an ever-shortening fuse leading to profound consequences.
高达20%的顶部气流应由侧壁向下流动。
Up to 20 percent of the top airflow should bleed off down the sidewalls.
流动性风险与当前的次贷危机：向下流动性螺旋曲线理论。
Liquidity risk and the current crisis: downward liquidity spirals.
更多热量到达了格陵兰和北极的冰区，所以冷洋流沿着欧洲海岸线向下流动，欧洲就会经历较冷的天气。
More heat is over the ice fields of Greenland and the Arctic, so colder water flows down along the European coastline, thus colder weather in Europe.
为了控制罐上部区域中浓浆料的流向，TES用来在顶部表面均匀扩散原料，同时形成一致的向下流动。
To control the flow in the high density area in the upper part of the tank the TES is used to spread the stock evenly on the top surface and to create a uniform down flow.
在压裂作业期间装在防喷器上的装置。压裂液和支撑剂在压力下被泵入压裂头，并沿井向下流动。
The device that is attached to the blowout preventers during a frac job. Fluid and propping agent are pumped under pressure into the frac head and down the well.
待处理的废水在中心向下流动，借助于微生物产生气体所部分产生的流动，该废水再次沿载体组件(40)向上。
The wastewater to be treated flows downwards in the centre and returns upwards along the support elements (40), the current being partially generated by gas evolution from the micro-organisms.
淡水在上层向下流动，比重更大的盐水在下层逆流向上。
The salt water, being more dense, flows upstream under the fresh water which is flowing downstream.
提升的过程需要能量沿着能量场向下流动，使得必要的信息持续流入，而不需要的信息则沿根植的连线持续解除。
Ascension requires that energy move down the field causing the information necessary to continually pour in and that which is not required to be released down one's grounding cord.
受喷嘴区高速射流的影响，喷嘴上方固体颗粒呈向下流动趋势，形成一个诱导回流区域。
Induced by the high-speed feed jet flow, the solid particles above the feed nozzle tended to flow down, and a reverse flow zone was formed along the riser wall.
本文报道对过冷薄层水膜沿均匀加热竖管外壁向下流动时的流动和传热特性而作的实验研究。
Experimental studies for hydrodynamics and heat transfer characteristics in thin water films falling down the outside of a vertical tube is reported.
对经过咖啡粉饼的水流进行了多方面的考察，似乎水流总是倾向于垂直向下流动。
Water flow through the bed of coffee was also exhaustively examined, and what seems like common sense was in fact the case: water wants to flow straight down.
对经过咖啡粉饼的水流进行了多方面的考察，似乎水流总是倾向于垂直向下流动。
Water flow through the bed of coffee was also exhaustively examined, and what seems like common sense was in fact the case: water wants to flow straight down.
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