查询词典 acceleration time

A: Acceleration is the rate of change in velocity of the ground shaking (how much the velocity changes in a unit time), just as it is the rate of change in the velocity of your car when you step on the accelerator or put on the brakes.

答：地震加速度是地壳震动速度的变化率（在单位时间内速度改变量），就像你踩下油门或者刹车以后，你的汽车的速度变化率。

A: Acceleration is the rate of change in velocity of the ground shaking (how much the velocity changes in a unit time), just as it is the rate of change in the velocity of your car when you step on the accelerator or put on the brakes.

答：地震加速度是地壳震动的速度变化率，就像它是在你踩下油门或者刹车以后，你的汽车的速度变化率。

Through analyzing a lot of tested data of seismic waves from deep hole blastings at a different angle, the changing rules and influence factors of such main parameters as frequency, amplitude and lasting time of blasting seismic waves propagating in a rock medium are obtained, and the empiral formulas for calculating the amplitude of blasting seismic wave acceleration are fitted out by binary regression.

通过从不同角度对大量的深孔爆破地震动测试数据的分析，得到了岩石中爆破地震波传播的频率、幅值和持续时间等主要参数的变化规律以及它们的影响因素，并通过二元回归法，拟合出计算爆破地震波加速度幅值的经验公式。

A quasi one-dimensional, time dependent system model based on the parallel compressor theory was used to compute the effect of inlet distortion on turbine engine stability; Through Modifying steady state continuum equation, momentum equation and energy equation, the effect of power extraction and additional bleed on turbine engine running line was computed. Unsteady state continuum equation, momentum equation and energy equation were solved for computing the effect of acceleration on turbine engine running line.

其中，进气畸变对发动机气动稳定性影响的计算采用平行压气机模型，基于李亚普诺夫理论的方法完成；附加引气、功率提取对发动机气动稳定性的影响采用通过对发动机转子间质量、动量、能量守恒方程进行修正的方法进行；加速过程对发动机气动稳定性的影响采用欧拉方法求解动态的质量、动量、能量守恒方程的方法完成；最后采用&层迭&的方法进行各种降稳因素的综合评估。

The commonly-used capacity calculation approaches for ramp junctions are mostly based on the American HCM method, It had been approved that the headways for vehicles following the Weibull distribution function at on-ramp junctions in urban freeway system. The paper examined the critical headway and following time by the modified drew method and the survey traffic flow data on-site. The gap-acceptance capacity calculating model was developed for on-ramp junctions of urban freeway, and the numerical integration method was used to solving the model. Finally, the capacity values were obtained in condition of different mainline design speeds and different acceleration lane lengths.

针对目前国内外匝道连接段通行能力计算以美国HCM为主的现状和不足，研究发现城市快速路入口匝道连接段车头时距服从Weibull分布规律，利用改进的Drew方法及实际现场调查交通流数据确定了临界车头时距和随车时距，建立了城市快速路入口匝道连接段通行能力的间隙接受计算模型，并利用数值积分法进行计算和求解，从而得到了主线不同设计速度及不同加速车道长度条件下的城市快速路入口匝道连接段可能通行能力值。

The reduction of PO4-P turnover time in the microcosms containing fish was attributed mainly to the acceleration of PO4-P regeneration by fish.

这些鱼类使微型生态系统中PO4-P的周转时间缩短，可能主要是它们加速了系统中PO4-P再生的结果。

The dynamical and kinematic specialty of hydraulic hammer is analyzed during piling. At the same time, the mathematical model is presented of each process. Based on mathematical model of each stage, simulation and analysis is made. The changing rule of displacement, velocity, acceleration can come to a decision from simulation plot during falling process of pile hammer.

提出桩锤在各个打击过程中的数学模型，并对各阶段进行仿真及分析，研究桩锤下打过程中，桩锤位移、速度、加速度变化规律，为进一步研究生产样机提供了理论依据。

Secondly, we study on the integration of digital signals of acceleration sensors. We proposed a scheme that processes the discrete time signals by two-pass filter and digital integrator.

其次，针对加速度传感器信号积分的需要，研究了使用数字积分解决该问题的可行性；提出了信号经双通滤波后再使用数字积分器进行积分的方案。

This simulated rocket can simulate the acceleration,thrust time,speed at burning end,rotation speed and so on satisfily.It is not only suitable for firing test during development,but also delivery test.This simmulated rocket does not require ideal experiment environment,is easy to be implemented.It is characterized by high security,low cost,shortening the fuze researching period and other benifits.

该弹可以相当满意地模拟火箭弹的加速度、推进时间、主动段末速、转速等主要参数，非常适合火箭弹触发引信研制中的靶场射击试验和生产交验，具有对试验场地要求低、试验简便、安全性高、成本低、有利于缩短引信研制周期等优点。

Some problems that should be solved at full steam at designing velocity-stabilized loop are discussed. According to these, square lag and lead correction and nonlinear acceleration compensation are put forward. Gain of open loop is upgraded greatly. At the same time, overshoot is restrained effectively. System control effect is content terrifically.

分析了速率稳定回路设计中应着力解决的问题，提出了平方滞后超前校正和非线性加速度补偿措施，显著地提高了开环增益，并抑制了超调，取得了满意的控制效果。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷