在前一期文章中我们看到了，弱引用如何可以给应用程序提供当对象被程序使用时另一种到达该对象的方法，但是不会延长对象的生命周期。
In the previous installment, we saw how weak references can provide an application with an alternate means of reaching an object while it is used by the program, but without prolonging its lifetime.
请注意该方法如何用do -while循环来处理队列中可能存在的弱引用。
Notice how this method accounts for possible weak references in the queue with the do-while loop.
如果有一种方法可以在弱引用的referent被垃圾收集时发出通知就好了，这就是引用队列的作用。
It would be nice if there was a way to be notified when the referent of a weak reference is garbage collected, and that is what reference queues are for.
这种方法帮你选出的礼物或许看上去稍弱一些，但是它们至少是有意义的。
This method could help you come up with some slightly off beat gifts, but at least they will be meaningful.
有时推荐的一个处理失效侦听器的方法是使用弱引用。
One approach that is sometimes suggested for dealing with lapsed listeners is to use weak references.
但是我想阐述的是，这是一种,提纯挥发性弱的物质的方法。
But all I want to really illustrate is, this is a strategy for purification of the less volatile component.
另一方面，在创建对一个对象的弱引用时，完全没有扩展referent的生命周期，只是在对象仍然存活的时候，保持另一种到达它的方法。
On the other hand, when you create a weak reference to an object, you do not extend the lifetime of the referent at all; you simply maintain an alternate way to reach it while it is still alive.
研究了弱中子源驱动下，裂变系统中子裂变链统计涨落问题的数值计算方法。
A numerical method of the statistics fluctuation problem of fission chains is studied for fission system driven by a weak neutron source.
研究了弱中子源驱动下，裂变系统中子裂变链统计涨落问题的数值计算方法。
The numerical method of the statistics fluctuation problem of fission chain is studied for a fission system driven by a weak neutron source.
用假设弱透镜焦距表达式是一个幂级数中的第一项的方法，可以导出相当准确且便于实用的电磁电子透镜物镜焦距公式。
By assuming the weak lens focal length expression to be the first term in a power series a simple and accurate formula can be derived for the objective focal length of a magnetic electron lens.
震相识别已经有很多方法，但对于弱震相识别的难题尚未根本解决。
There are a lot of methods to identify seismic phases, but the identification of weak phases is not solved ultimately.
本文以神经弱信号检测为研究对象，提出了利用随机共振原理进行神经弱信号检测的基本思想及实现方法。
Focusing on neural weak signal detection, this thesis presents the principle and practicable method to utilize SR for neural weak signal detection.
用抛物正则化方法和弱收敛技巧，证明了最优控制的存在性和稳定性。
The existence and stability of the optimal control is established based on the parabolic regularization method and the weak convergence technique.
基于斜坡边缘模型的经典插值方法把所有边缘归为强边缘，导致弱边缘过分增强而失真。
Classical interpolation method based on ramp edge model considers all the edges as strong edges, which results in weak edges' distortion.
采用改进的线性组合符和么正变换方法导出强、弱耦合束缚极化子的振动频率和有效质量。
The vibration frequency and effective mass of strong - and weak-coupling bound polaron was derived by using improved linear combination operator and unitary transformation methods.
地面旋转扭秤法和地月测距方法在10 - 13精度内验证弱等效原理依然成立。
Current weak EP test comes to 10-13 by the rotating torsion balance and Lunar laser ranging methods.
本文介绍一种利用超声调制光波现象测量超声波在弱散射液中传输速度的方法。
A new method measuring speed of sound in a weak scattering fluid is proposed by using the ultrasound - modulated light.
为了在去噪声的同时更多地保留弱边缘信息，再次利用到循环平移的方法。
In order to retain the weak edge information while denoise, the circulation translation method is used again.
本文以弱信号检测为研究对象，提出了利用随机共振原理进行微弱信号检测的基本思想及具体实现方法。
Focusing on faint signal detection, this thesis presents the principle and practicable method to utilize SR for faint signal detection.
利用这种方法，还对我国A股市场的弱有效性加以检验，发现我国A股市场弱有效性不成立。
By testing the weak efficiency of Chinese A-share market in this paper, the conclusion that Chinese A-share market not be weak efficiency is made.
针对以上问题，文章讨论了在低对比度、强干扰的情况下，对弱目标的提取方法。
For that, this paper proposes a method that extracts the weak target from background, which includes strong noises and low contrast.
运用周期和非周期弱信号的检测实例，进一步证明了该方法的有效性和实用性。
And it is further proved that the technique is effective and practical by means of the examples of the extraction of periodic and aperiodic signals.
简单介绍互相关检测的原理及最大似然理论，并在此基础上，提出了将互相关检测与最大似然理论相结合检测弱信号的新方法。
This paper introduces cross-correlation detection theory and maximum likelihood theory and based on the two theories, puts forward a new method for weak signal detection.
提出了一种利用高阶统计量对强噪声背景下的弱信号进行检测的方法。
A method on weak signal detection in a stronger noise background based on high-order statistics is presented in this paper.
弱渗流结构的力学性质很难用力学方法进行精确测量。
It is difficult to accurately measure the mechanical performance of weak seepage structure using mechanical method.
应用数值计算的方法计算了谐振势阱中有弱相互作用的玻色气体凝聚的临界温度和基态占据率。
The critical temperature and the ground state fraction of weakly interacting Bose Einstein condensation in a harmonic potential trap are calculated with numerical method.
介绍了定子双馈电双凸极电机(SDFDS)的结构、原理和弱磁调速控制方法。
In the paper, the structure, operation principles and flux weakening control methods for the stator doubly-fed doubly salient (SDFDS) motor are introduced.
本文提出了强偶合系统的弱偶合方法处理。
A method for describing strong coupling systems by weak coupling system method is suggested.
该文论述了在强噪声背景下利用时频分析检测带腔体雷达目标弱信号的方法。
A new method based on Time Frequency Analysis (TFA) for detecting weak signal under strong noise background from radar target with the cavity embedded is described in this paper.
该文论述了在强噪声背景下利用时频分析检测带腔体雷达目标弱信号的方法。
A new method based on Time Frequency Analysis (TFA) for detecting weak signal under strong noise background from radar target with the cavity embedded is described in this paper.
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