也就是说n维欧式空间中两个随机向量应该是“ 几乎必然”（almost surely）不垂直的。用常识想一下，n维空间中两随机向量之间的夹角 θ，应该是遵从一个连续概率分布的。
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Similarly,by constructing suitable Lyapunov function and using the nonnegative semi-martingale convergence theorem,we get some new criterions ensuring the almost surely exponential stability of the system.
同样通过构建Lyapunov函数和利用半鞅收敛定理,得到了此类系统几乎必然指数稳定的判定准则。
参考来源 - 几类随机时滞微分方程的指数稳定性·2,447,543篇论文数据，部分数据来源于NoteExpress
爱因斯坦的想法在他死后的实验中得到了验证，由于这些实验大多支持传统的量子力学，爱因斯坦的方法几乎必然是错误的。
Einstein's ideas have been tested by experiments performed since his death, and as most of these experiments support traditional quantum mechanics, Einstein's approach is almost certainly erroneous.
我们几乎必然的会有孩子。
所以六名国际空间站宇航员到11月中旬几乎必然要离开轨道实验室。
So all six astronauts on the space station will almost certainly have left the orbiting lab by mid-November.
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