The embassy did not give a reason for the security warning , but the dates coincide with the first anniversary of the al-qaida leader 's death .
美国大使馆没有对这次安全警告给出理由,但其时间表却与拉登死亡一周年纪念日想吻合。
Pembrey thinks not , noting that the critical periods revealed in the smoking and food studies coincide with when eggs are maturing in girls and sperm production is about to begin in boys .
So , how often does the december full moon coincide with the solstice ?
那么,12月的满月与至日重合有多频繁呢?
When these periods coincide , the control loops start sending the load back and forth between the virtual servers in a positive feedback loop .
当这两个平衡程序的周期碰巧重合时,控制环开始将计算负荷在两个虚拟服务器间通过正反馈环传来传去。
Whether the interests of these countries coincide with those of the wider world , though , is moot . A warming arctic will bring local benefits to some . The rest of the world may pay the cost .
Occasionally , these two sorts of politics coincide dramatically-as in france in 1789 , russia in 1917 , eastern europe in 1989 and arguably the arab world in 2011 .
This , they argue , is a misdirected remedy : the distinction between utility and casino either cannot be drawn or , if it can , does not coincide with the distinction between what has to be safe and what need not be .