基于成本的一种更实用的垃圾信息抵御方式是强迫发送电子邮件或发布信息的人为此支付数量可观的一些CPU周期。
A more practical approach to cost-based spam is to force someone sending E-mail or Posting a message to expend a non-trivial amount of CPU cycles in order to do so.
不要只是为了周期性的更新而强迫自己部落格。
第六章研究了弹性结构中物理非线性柱和板条周期性强迫激励的动力学响应问题。
In the sixth chapter, the dynamic responses of the nonlinear elastic pole and panel under periodic load have been studied.
本文给出了一维单谷映象周期轨道的符号动力学的符号排序规则，并对强迫布鲁塞尔振子模型作了讨论。
Gives the rule of signs arrange of signs dynamics of periodic orbital on one dimension single valley image, and discusses the model of the forced Brussels vibrator.
电力系统强迫功率振荡为持续的周期性小扰动所引起低频振荡现象。
Power System forced power oscillation is a kind of low frequency oscillation caused by persistent periodic small disturbance.
从被苏联秘密警察逮捕，到审问，到放逐和强迫劳动，古拉格的生死周期是一个熟悉的故事。
From arrest by the Soviet secret police through interrogation, to deportation and hard labor, the life-and-death cycle of the gulag is a familiar story.
每种动物都要在24小时的周期内睡上一段时间，被强迫性剥夺睡眠的人肯定甚感折磨。
Every animal does it at some point in the 24-hour cycle and people who are forcibly deprived of sleep are effectively undergoing torture.
作者对一类广义强迫lienard方程进行了研究，给出了其概周期解存在性的一个新的充分条件。
A generalized forced lienard equation is studied and a new sufficient condition for the existence of almost periodic solutions for this equation is given.
本文讨论渐近线性强迫波方程周期解的存在性。
In this paper we discuss the existence of solution of an asymptotically linear wave equation.
但强迫堕胎的丑闻仍周期性发生。
But scandals over forced abortions continue to arise periodically.
用一个有外强迫的、简单的动力系统研究气候系统中的准两年振荡（平均周期长度比两年稍长或稍短的准周期振荡）。
The QBO (quasi-biennial oscillation) in the climate system, with a mean cycle-length slightly above or below 2 years, is studied in a simple forced dynamical system.
用一个有外强迫的、简单的动力系统研究气候系统中的准两年振荡（平均周期长度比两年稍长或稍短的准周期振荡）。
The QBO (quasi-biennial oscillation) in the climate system, with a mean cycle-length slightly above or below 2 years, is studied in a simple forced dynamical system.
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