如果经常反转数据库更新操作，系统速度会减慢而且与使用其他事务策略相比，这个策略可能会导致整体性能下降。
If you are constantly reversing your database update operations, your system will slow down and probably perform more slowly overall than if you were to use one of the other transaction strategies.
在这个优先级反转场景中，低优先级的任务占有着高优先级任务需要的资源(这个问题出现在使用风河公司VxWorks系统的火星开拓者探测器上)。
In this priority inversion scenario, a lower-priority task holds a resource that a higher-priority task requires. (this problem occurred on Mars in the Pathfinder probe using Wind River's VxWorks.)
目的探讨液体衰减反转恢复(FLAIR)序列在脑室系统中的应用价值。
Objective To evaluate the value of fluid-attenuated inversion recovery (FLAIR) sequences in ventricular system.
人类免疫力缺乏病毒（HIV）是一种感染人类免疫细胞，从而破坏人体免疫系统的反转病毒。
The human immunodeficiency virus (HIV) is a retrovirus that infects cells of the human immune system, destroying or impairing their function.
并指出系统的混沌特性可以用来模拟地磁场的反转。
The chaotic behavior of the system can be used to simulate the reversals of the geomagnetic field.
练习效应则是由于交换耦合系统中反铁磁层的热激活反转所引起的。
The training effect is a result of thermally activation reversal of the antiferromagnetic layer through the exchange coupling.
在另一条件下，系统则能够呈现无激光反转。
Inversion without lasing can also occur when the conditions are changed.
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.
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.
文中提出了利用反转法对系统的误差进行补偿的原理和方法，有效地提高了系统的检测精度。
A reversal method for error compensation of this system is provided so as to improve the measuring accuracy effectively.
在一定条件下，系统能够呈现无反转激光。
在系统中，用计算机软件替代了由缓冲寄存器、环形分配器、控制逻辑及正反转控制门组成的步进电机控制器。
In this system, computer software was used to replace stepping motor controller which consisted of buffer, annular allotter, control logic and control doors of clockwise and counterclockwise running.
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.
在系统分析北部湾盆地涠西勘查区地震剖面的基础上，认为北部湾盆地涠西勘查区发育两期反转构造即渐新世末期及中新世末期反转构造。
It was indicated that there were two different inversion structures formed in two period based on analysis of seismic profiles in Weixi exploration region of the Beibuwan Basin.
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.
结果表明：在不考虑激光线宽及消相碰撞时，探测场的吸收随时间在零吸收附近作类似于阻尼减幅振荡，系统可实现无反转放大；
It is shown that the time-dependent probe absorption is oscillatorily damped to its steady state and transient amplification without inversion can be realized;
方法：从理论上对核磁共振成像反转恢复技术进行系统研究，获得零信号点的数学表达式。
Methods: Using the MRI inversion recovery technology systemically in theory and get the mathematical expression of the zero signal point.
将反向旋转的高低压涡轮盘简化成了几何形状相对简单的反转盘系统。
The contra-rotating turbine disks of an aero-engine were simplified as a counter-rotating plan disk system.
调试结果表明，控制系统可实现电机启动、调速、正反转和电流闭环控制。
The test results show that the control system can realize starting, speed adjustment, clockwise and anti-clockwise running and current closed-loop control functions of motor.
该系统采用ATMEL公司的89s52单片机发出脉冲来控制直线步进电机的正反转。
And it can realize the positive inversion of linear stepping motor by sending pulses using 89s52 MCU which is produced by company ATMEL as well.
该系统采用ATMEL公司的89s52单片机发出脉冲来控制直线步进电机的正反转。
And it can realize the positive inversion of linear stepping motor by sending pulses using 89s52 MCU which is produced by company ATMEL as well.
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