Just to be clear, the jumper velocity (and thus kinetic energy) of the jumper at the top and the bottom are both zero.
我来解释一下，整个跳楼过程中，跳楼者的速度（由此便产生了动能）在起跳处和着地处都为零。
The result showed that systolic peak velocity of bottom cerebral arteries in heroin addicts was much higher than that of the normal control group (P<0.01).
结果表明观察组脑底动脉收缩期峰值血流速度明显高于正常对照组，差异非常显著（P＜0．01）；
The result shows that the velocity field changes with the increase of space from shoulder and stir tool and the flow of weld metal from top to bottom and stir zone to rotation zone also weakens.
实验结果表明：随着距轴肩和搅拌针距离的增大，速度场开始减弱，焊缝金属由顶面向底面、由搅拌区向旋转区的流动也随之减弱。
For this reason, the well designer generally seeks to maximize the fluid velocity (or other measure of jet energy) to achieve maximum cleaning at the bottom of the hole.
正因为这一原因，井眼设计人员一般寻求使流体速度(或其它射流能量)最大化的方法去达到最大程度地清洁井底的目的。
The more the bubble close to the free surface, the narrower the bottom jet develops crosswise, and the larger the pressure gradient, the rising velocity and the height of the bottom jet is upwards.
越靠近自由表面，底部射流横向发展越窄，而向上的压力梯度，气泡上升速度，底部射流上升高度越大，反之则反；
It is assumed that there is an "effective bed velocity" on the bottom which determines the erosion and deposition of the bed.
说明底部有一个“作用流速”，才产生底床的冲刷与淤积。
In this case, they wanted me to play different levels of pressure (not velocity) of the keys, they get out bottom.
在这种情况下，他们希望我能发挥不同程度的压力(而不是速度)的钥匙后，他们走出谷底。
The seepage velocity through lakeshore and lake bottom interfaces under different lakeshore inclinations were discussed by experiments in soil tank and model simulations using MODFLOW.
利用土槽试验和MODFLOW模型模拟研究了不同岸坡倾角下地下水入湖时在入湖交界面处的渗流速度分布规律。
Taken the velocity and pressure at the bottom as the objective function, the structure parameters of rotary nozzle were optimized.
以井底速度和压力作为目标函数，对旋转射流喷嘴结构参数进行了优化。
Result of test in rectangular sluice shows that vertical velocity distribution profile may be divided into bottom inner, outer and surface zone.
本文根据矩形水槽试验，表明：对于整个断面的各垂线流速分布可划分为底部内区、外区和表面区。
Starting from the force balance on a solid particle, equations with dimensionless groups were also developed to calaulate the critical settling velocity of particles at the reactor bottom.
根据对固体颗粒作用力的分析，研究了反应器内固体颗粒的临界沉淀速度；
The research work offer reference for how to avoid the chewing bottom and floating bottom and hydraulic operated check valve structure design of and how to improve advancing velocity.
本文进行的研究工作可以为如何避免啃底和飘底的问题和液控单向阀的结构设计以及如何提高移架速度提供参考依据。
An empirical formula of depth-averaged velocity is derived by means of dimensional analysis, and at the same time the characteristics of the variation of bottom current velocity are described.
文中还利用量纲分析，导出了挖槽中心垂线平均流速折减系数的经验公式。
The effects of dry degree of bottom-hole steam on producing result and effect of drainage velocity in production wells on production result are studied.
还研究了井底蒸汽干度对开发效果的影响和生产井排液速度对开发效果的影响。
Complex patterns of flue gas and non-uniform temperature distribution along furnace height were taken place due to high jet velocity of bottom burners in the ethylene cracking furnace.
乙烯裂解炉底部燃烧器的燃气射流，使炉内烟气流动复杂，烟气温度分布的均匀性较差。
Apart from this, it discusses the starting current velocity of bottom sediment affected with vertical waves as well as the settling velocity of silt particles.
对立波作用下底沙起动流速和泥沙颗粒沉降速度作了探讨。
The mathematical model experimental study about velocity field in a car-bottom heat treating furnace is carried out by using numerical simulation technology.
利用数值模拟技术，对台车式热处理炉的速度场进行了数学模型实验研究。
And the bottom hole pressure in different depths is predicted, which can be found that the casing annulus velocity declines with the depth increasing at different hole depth.
并对不同井段处的井底压力进行了预测，发现在不同的井身深度条件下，其环空流速随井身深度的增加而降低。
High velocity of flow channel in the bottom mat, mat extended length according to the cage height and maximum scour depth to determine.
流速大的河道应在最下部设置网垫，网垫伸出的长度根据网箱高度和最大冲刷深度来确定。
High velocity of flow channel in the bottom mat, mat extended length according to the cage height and maximum scour depth to determine.
流速大的河道应在最下部设置网垫，网垫伸出的长度根据网箱高度和最大冲刷深度来确定。
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