There can come a time when people no longer live for themselves but for those who, in a strange reversal, have come to depend on them.
总有一段时间人们并不为自己而活，而是很奇怪地，为依赖于他们的人而活。
This is a strange reversal of the situation at the time of the Greek crisis.
这种怪异的情形与希腊危机时截然不同。
The finite element method is used to investigate the effect of a time reversal method on the guided wave inspection in pipes.
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。
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.
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.
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。
Elongating the time of polarity reversal can reduce the field strength under polarity reversal.
延长极性反转时间可降低极性反转时的场强。
Each reversal appears to have taken place in a very short time.
每一次反转看来都是在极短的时间内发生。
We have shown nonexistence of symmetry with respect to time reversal of the time correlation function of the steady state.
证明了定态时间相关函数不存在时间反演对称性。
The cranking term breaks the time reversal symmetry, and the projection of the single particle angular momentum on the intrinsic symmetric axis is no longer a good quantum number.
推转项的引入破坏了时间反演对称性，单粒子角动量在内禀对称轴上的投影量子数已不再是好量子数。
Contrast, spatial frequency, presentation time, moving velocity and phase reversal frequency of each grating are controlled independently.
每组光栅的对比度、空间频率、显示时间，移动速度和反相频率能单独控制。
Objective to study the relationship between mental health and professional satisfaction degree, and the influence on mental health due to working time and reversal of biological clock.
目的研究心理健康状况与职业满意度的关系，以及每日工作时间长短和生物钟颠倒对心理健康的影响。
Effect of reversal time on energy consumption for the regenerative soaking pits is researched by numerical simulation and experimental research.
通过数值模拟和实验方法，重点研究了换向时间对蓄热式均热炉能耗的影响。
Reversal time affects gas losing in the blind zone of the reversal process.
换向时间影响换向盲区的煤气损失量；
Dynamic regulation of reversal time can further reduce the energy consumption of the regenerative soaking pits according to the flow and the temperature of the gas.
如根据均热炉实时烟气流量和排烟温度动态调节换向时间，可进一步降低均热炉的能耗。
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.
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。
In order for a reversal to take place there must be a brief time during which the field is non - existent.
为了发生一次倒转，必须有一个很短的时间没有磁场存在。
By designing TRP system, we built a real-time experimental system, and validated the feasibility of a physical time reversal system.
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。
Time reversal t is not unitary.
时间反演t不是幺正的。
The relation between spatiotemporal inverse filter and time reversal is analyzed, and the iterative time reversal is presented.
在分析空—时逆滤波和时反处理关系的基础上，提出了一种迭代时反的方法。
Time reversal tis not unitary.
时间反演t不是幺正的。
The iterative time reversal processing and the decomposition time reversal operator method are studied.
研究了迭代时反处理和时反算子分解方法。
Time reversal invariance is a very useful symmetry in subatomic physics.
时间反演不变性在亚原子物理中仍然是一种很有用的对称性。
Repeated time reversal iterations can obviously enhance the focus signal energy.
通过反复迭代进行时反操作，可以明显提高聚焦信号能量；
One is that since the time of the Anglo-Saxons there has been an almost complete reversal of the different devices for showing the relationship of words in a sentence.
第一，自从撒盎格鲁——撒克逊时代以来，表达句中单词之间关系的方法几乎发生了彻底的转变。
Time reversal is a unique self-focusing technique for spatial and temporal focusing of sound in unknown environments.
【中英文摘要】时反法是一种新颖的自适应聚焦技术，它可以使声信号在未知环境下实现时空聚焦。
We are merely setting the stage for the reversal at this time.
此时我们只不过为磁极反转搭建舞台。
We are merely setting the stage for the reversal at this time.
此时我们只不过为磁极反转搭建舞台。
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