延长极性反转时间可降低极性反转时的场强。
Elongating the time of polarity reversal can reduce the field strength under polarity reversal.
创建一个反转函数——该函数将以某个地区的时间戳作为参数，并返回对应的UTC时间戳。
Create a reverse function - one that will take a timestamp for a certain locale and return the equivalent UTC timestamp.
代表输出中时间连续增量的各接触点，可以被看成是反转和未反转信号的扫描。
The contacts representing successive increment of time in the outputs can be looked upon as the sweeping of the reversed and unreversed signals.
每一次反转看来都是在极短的时间内发生。
Each reversal appears to have taken place in a very short time.
对于有时间窗的非满载VSP问题，将货运量约束和软时间窗约束转化为目标约束，建立了非满载VSP模型，设计了基于自然数编码，使用最大保留交叉、改进的反转变异等技术的遗传算法。
On the VSP with time window, while the restraints of capacity and time windows are changed into object restraints, a mathematic model is established.
声学时反镜是指由收发合置的换能器组成的基阵对声源信号进行接收、时间反转和再发送，时反后的信号会在声源处实现聚焦。
Acoustic Time Reversing Mirror(TRM) can be implemented with an array of transducers that listens to a remote sound source and then transmits a time reversed version of what was heard.
时间反转处理(trp)是利用这种聚焦特性的信号处理方法，它在水声通信、主动声纳检测这类脉冲—回波型领域的应用研究越来越受到重视。
Time Reversal processing (TRP) is a signal processing method based on the focusing property. It attached more attention in underwater acoustic communication, active detection and so on.
理论上采用射线近似方法分析了时间反转声场特性，实验上在实验室内开展了水下波导的超声模拟实验。
The ray approach is adopted to study the acoustic field in theory, and the ultrasonic experiment has been carried out in laboratory to model the underwater waveguide.
针对典型的浅海波导环境，通过计算机仿真研究了目标位于波导中间深度条件下时间反转处理增强信混比的能力以及目标深度的变化对信混比增强能力的影响。
The capability of time reversal processing for echo-to-reverberation enhancement is studied using computer simulation under the condition that target is in the middle of the shallow water guide.
首先求取系统极端控制，进而给出时间反转系统的可达区域和系统的可控区域。
At first, the extremal control of the system was got, then the reachable region of the time reversed system and the controllable region of the system were given.
为克服现有导波检测技术对管道小缺陷检测的不足，给出了一种基于时间反转理论的管道缺陷超声导波无损检测方法。
The finite element method is used to investigate the effect of a time reversal method on the guided wave inspection in pipes.
TR400反转探测器是一款逻辑控制的过程速率计，可现实任何产品在加工过程中的速率或时间，方便，精确。
The TR400 is a Full Logic Control Process Ratemeter that can display any production rate or time in process easily and accurately.
所述反转持续的较短时间根据系统条件的不同而变化。
The short period of time of reverse rotation is varied based upon system conditions.
由于采用数、模结合的方法（利用数字技术实现时间轴的反转），使整个滤波器具有结构简单和快速、实时的特点。
Through the use of the combine analogical with digital technique, it has the advantage of the simplicity, the high speed and the real time.
利用时间反转法对波源的自适应聚焦能力，重建信号传播波动图，通过信号聚焦显示损伤位置和区域。
Based on the focalization ability of time reversal theory to the wave origin, the wave propagation was rebuilt by an image method which displays the damage as the focusing point.
干预：40只大鼠，于伤后不同时间取水肿区脑组织及正常脑组织：提取组织总rna：用共扩增反转录定量pcr方法测定MMP - 9基因表达水平。
INTERVENTIONS: Tissues of edema area and normal brain of 40 rats were collected in different time after damage: total RNA were abstracted and MMP-9 gene expression was tested by PCR means.
存在着像规模效应、时间效应、价值效应、惯性策略与反转策略等诸多异常现象。
There are still some anomalies such as small-firm effect, time effect, Book-to-market effect, momentum trading strategy and contrary investment strategy.
利用时间反转法对波源的自适应聚焦能力，重建信号传播波动图，通过信号聚焦显示损伤位置和区域。
Based on the focalization ability to the wave origin of time reversal theory, the wave propagation image is rebuilt to display the damage.
提出在随机媒质中采用时间反转镜对主动换能器阵列超声成像的一种新算法。
It presents a new approach to array imaging that is motivated by time reversal in random media (using) active transducers array in random media.
经过较短时间后反转停止，压缩机开始正向转动。
After a short period of time reverse rotation is stopped and the compressor can start rotating in the forward direction.
数值计算表明，不论是二维还是三维铁电系统，其铁电畴反转过程中产生的开关电流都随系统尺寸减少而下降，开关时间随系统尺寸减少而缩短。
Computational results indicate that, for both systems, the switching current drops with decreasing system size and the switching time shortens as the system size decreases.
构造反转与油气运移时间匹配良好，则可形成有利的油气圈闭。
If reversed structures match well with hydrocarbon migration in time then favorable hydrocarbon traps can be formed.
由找出卫星信号中多个正确的相位反转点以加快定位的速度，减少所需的定位时间。
Multiple correct phase reversal points in the satellite signal are founded out to accelerate the positioning and reduce the required positioning time.
通过设计时间反转处理实验，构建实时处理的实验系统，进一步验证了时间反转处理物理实现的可行性。
By designing TRP system, we built a real-time experimental system, and validated the feasibility of a physical time reversal system.
在六月末，这种情况变坏了（反转了），大多数优先股和一些证券跳水，在仅仅几个月的时间损失超过40%。
By the end of June, the situation reversed. Most of the preferred shares are now underwater with some equities losing up to 40% in just a couple of months.
优先级反转是指高优先级的任务被低优先级的任务阻塞了不确定长度的时间。
Priority inversion is the case where a high priority task becomes blocked for an indefinite period by a low priority task.
在启动时操作压缩机的方法中，使压缩机反转持续一较短时间。
In a method of operating a compressor at startup, the compressor is rotated in reverse for a brief period of time.
方法：采用配位竞争法测定钆螯合物的稳定常数，采用反转恢复法测定钆螯合物的水质子弛豫时间。
Methods The stability constants of gadolinium chelates were determined by using a compitition method and water proton ralaxation times T1 were measured by means of the inversion recovery method.
方法：采用配位竞争法测定钆螯合物的稳定常数，采用反转恢复法测定钆螯合物的水质子弛豫时间。
Methods The stability constants of gadolinium chelates were determined by using a compitition method and water proton ralaxation times T1 were measured by means of the inversion recovery method.
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