China formally entered the ageing society in 1999, now it has been in the aging acceleration period.
中国在1999年正式进入老龄社会，并已经进入加速老龄化时期。
When the acceleration period has terminated, the switch means is controlled by a PWM pulse of the duty ratio in accordance with the speed instruction data, there by driving the DC motor.
在该加速期间结束时，以占空比与速度指令数据对应的PW M脉冲来控制开关机构，从而驱动该直流马达。
Our country is being in urbanized the acceleration period, the environment question which the city faces is day by day prominent, the city natural ecology already received the enormous destruction.
我国正处于城市化的加速期，城市所面临的环境问题日益突出，城市自然生态已经受到极大的破坏。
If I have a high acceleration, the period will be short, and that's exactly what you see.
如果有大的加速度，周期就短，那就是，你们所看到的。
If the acceleration goes down, the period of oscillation goes up.
如果加速度减小，振荡周期变大。
So now the restoring force doubles and the mass doubles, the acceleration remains the same, the period remains the same.
所以现在回复力加倍，物体质量加倍，加速度不变，周期不变。
So let's be clear. The jury is back. The verdict is in. There is no electronic-based cause for unintended high-speed acceleration in Toyotas. Period.
我们必须明确，陪审团已经回来了，判决已经出炉。丰田汽车加速器突然加速并不是电子元件的原因。
Early Production Containment Period - Production runs during the start-up and acceleration of a new or changed product or manufacturing process.
早期生产控制阶段-在新产品或发生改变的产品或生产过程的起步和加速阶段中的生产运行。
However, case detection rates, after a period of acceleration, leveled off in 2007 at around 60% globally, short of WHO's goal of 70%.
然而，全球病例检出率在经历一个加速期后，于2007年平稳保持在60%左右，低于WHO设定目标70%。
The decisive factor is that the differentiation is not based on a sample over a discrete time period, but is a physical effect, so that the user sees a dynamic, low-noise acceleration signal.
决定性的因素是这种区分是没有根据的样本离散多时间，但它是一个物理作用，使用户会看到一个充满活力，低噪声加速度信号。
The system can simulate the executive process of nc programme files, and realize the simulation of speed and acceleration curve, and process time and distance with the unit of controlling period.
该仿真系统不仅可以用于仿真NC程序文件的执行过程，而且实现了以控制周期为单位，对速度、加速度曲线以及加工时间、加工距离的仿真。
Using the single pendulum, we can research the relationship between the period of oscillation of it and the length of it and measure local acceleration of gravity.
通过单摆装置可以方便地研究单摆的振动周期与摆长关系和测定当地的重力加速度。
Basing on the estimated range-to-go, the reference drag acceleration profile is updated every period.
衍化算法通过对剩余航程的估算，周期性更新参考阻力加速度剖面。
The frequency in the response spectrum where the zero period acceleration asymptote begins.
频率响应谱中的零期渐近开始加速。
The theory and method of simulation acceleration test of life period for those equipments are introduced. The application of gray prediction of acceleration life test is studied.
在寿期试验方法方面采用了设备的模拟加速试验理论及方法，并讨论了灰色预测在加速寿命试验中的应用。
This model can well describe the variation of creep in the period of attenuation, steady period and period of acceleration. The validity of the model is verified by experimental data.
对蠕变模型计算结果和试验结果的比较表明，该模型能够很好的描述蠕变曲线中的初始衰减蠕变阶段、稳态蠕变阶段和加速蠕变阶段，证明了该模型的正确性和合理性。
The character of velocity and acceleration of pulsated-water during the upward period and their influence on the jigging separation has been studied.
研究了上升初期脉动水流的速度和加速度特性及其对分选的影响，为研究不同风水操作制度对床层松散状况的影响提供了理论依据。
During phase 2, it was reported that there was a period of angular deceleration after the peak positive angular acceleration.
在第二阶段中，当肌电达到正峰值角加速度之后，还有一个角减速的过程。
The interval of the last large seism is even shorter than the prediction by this acceleration regularity in a seismic active period.
在一个活跃期中，最后一个大震的时间间隔比这个规律规定的时间间隔更短。
While the magnetic pulses of shorter-period appeared at the last stage of the experiment, may be induced by instantaneous electric current of the accumulated charge during the cracking acceleration.
而在主破裂阶段，积累电荷的急速运动形成瞬间电流，激发了脉冲式的磁场异常。
The us economy grew at an annualised rate of 2% in the July-to-September period, an acceleration on the previous quarter, official figures have shown.
官方统计数据显示，美国第三季度经济增长2%，比第二季度有所增长。
The velocity and acceleration curves of corresponding poles during the deploying period and the wallop curves during the locking period are obtained, and then analyzes the influences to the rover.
通过车体展开过程的仿真位移曲线得到实体模型的折叠比，并与理论计算进行比较分析。
The velocity and acceleration curves of corresponding poles during the deploying period and the wallop curves during the locking period are obtained, and then analyzes the influences to the rover.
通过车体展开过程的仿真位移曲线得到实体模型的折叠比，并与理论计算进行比较分析。
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