通过月球近旁转向，可以改变航天器的对地速度大小和方向。
Magnitude and direction of geocentric velocity of spacecraft can be changed after a lunar swing by.
多云的天气可能也减缓了对地面目标攻击的速度。
Cloudy weather may also have cut the tempo of attacks on ground targets.
如果人类没有加速氮循环的速度，那么就远不会有众多人对地球上做其他的各种事情。
There would be nowhere near as many people doing all sorts of other things to the planet if humans had not sped the nitrogen cycle up.
径向速度法，即观察某颗行星环绕恒星的轨道所引起的恒星相对地球来往的速度变化。
The radial velocity method, which looks for changes in a star's velocity toward or away from Earth triggered by a planet's orbit around that star.
然而随后的研究带来了一个噩耗：阿尔·伯克的地下水储量远远没有看上去那么大，而且正在被飞速地消耗，其消耗速度要远远大于降雨和融雪对地下水的补充。
But then studies revealed startling news: Albuquerque's aquifer was nowhere near the size it once appeared to be and was being pumped out faster than rainfall and snowmelt could replenish it.
对地下连续墙槽段节点采用钢板封口及外包帆布的施工新工艺，提高了构造的抗渗漏性能，也加快了施工速度。
Groove joints are sealed by sheet steel and wrapped with canvas. This new construction technology improves anti-seepage property as well as expedite construction speed.
人类在快速起停或跑动过程中，往往利用脚对地的冲击来提高运行速度。
During fast starting, stopping or running phase, humans often use the impact of their feet on the ground to improve moving velocity.
虽然鸭翼的存在令最大起飞重量增加了七百公斤，但是最大平飞加速时间和最大平飞速度则相对地减少了5%。
The canards permit the maximum take-off weight to be increased by 700 kg for a penalty of fewer than 5% in level acceleration time and maximum level speed.
采用动力接触有限元法分析强夯中夯锤对地基土的冲击碰撞过程，建立动接触力与速度之间的接触关系式。
Uses dynamic contact FEM to analyze impact and collision of hammer to foundation soil in the dynamic compaction, establishes the contact relation between dynamic contact force and speed.
分析研究了不同埋深的软弱夹层对地表加速度峰值的影响，获得了一些有意义的结论。
The effect of the depth of the soft strata on ground peak acceleration is analyzed, and some conclusions with realistic significance are drawn.
国外的工程经验表明：与碾压混凝土相比。对地基要求低、施工速度快，总体造价降低；
The engineering experience at abroad compared with RCC dam demonstrated that it has low requirement of foundation, quick speed in construction and low cost.
对地面运动体，输入速度通常由测速计的驱动系统来供给。
On a land vehicle the speed input is usually obtained from the speedometer drive system.
借助模型技术，可以利用孔隙介质中粘滞流体对地震波传播速度的影响预测地震波传播速度，降低反演结果的不确定性。
With the help of model techniques, we can determine seismic velocity in porous media by accounting for viscous fluid effects on wave propagation.
以低加速度从航天飞机的低地球轨道转移到对地静止轨道，需要有限多次点火。
Finite multiple burn method is used for the transfer from Space Shuttle low earth orbit to the geostationary orbit with low accelerations.
本文针对地震模拟试验的特点，通过对具有代表性的强震地震速度记录的分析，建立了油源供油量系数的概念。
Based on the characteristics of earthquake simulation test, a concept of fluid dispensation coefficient is developed through the analysis of typical strong motion velocity records.
通过对地震资料的处理，更精确求取地层层速度，提高地层孔隙压力预测的精度。
Based on seismic data processing and resolving a more precise formation interval velocity to enhance the prediction accuracy and successfully applied to the scene.
并且随着经济速度的不断加快，对地下水资源开采量要求也不断提高。
As the economic speed is creasing, the request of the mining quantity of the underground water resources is creasing too.
油气储层速度和密度与储层参数的关系对地震资料解释以及储层参数预测等具有重要的意义。
The relations of velocity and density with reservoir parameters are crucial to seismic data interpretation and reservoir parameters prediction.
土壤中的化学污染物在自然条件下污染自然降解速度非常缓慢，形成对地下水的长期污染源。
The natural degradation speed of the pollution of chemical pollutants in the soil is very slow under a natural condition, so a long-time pollution source to underground water is formed.
经生产证明，该炉具有出铁温度高、熔化速度快、污染少、造价低，对地方土焦适应性强等优点。
As in production run it proves that this cupola is advantageous in high temperature molten iron, high melting rate, low pollution, low cost in constuction and higher adaptability for local cokes.
隧道埋深、地铁列车运行速度、荷载频率、隧道衬砌弹性模量等因素对地面振动有极大的影响。
Tunnel depth, subway train speed, loading frequency, tunnel lining elastic modulus and other factors have great impact on the ground vibration.
研究结果表明利用地震动峰值加速度对地震诱发崩滑进行研究具有一定理论和实际意义。
The results demonstrate that it is useful in both theory and practice to study earthquake-induced landslides with PGA.
算例表明，地层对地震运动加速度有一定的放大作用，在地下结构抗震计算中应以实际基岩地震运动加速度作为地震动输入。
The example shows that the ground has some amplifying action to seismic acceleration and the real seismic acceleration of the sole rock …
算例表明，地层对地震运动加速度有一定的放大作用，在地下结构抗震计算中应以实际基岩地震运动加速度作为地震动输入。
The example shows that the ground has some amplifying action to seismic acceleration and the real seismic acceleration of the sole rock …
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