采用代数综合法求得机构输出总位移的均值和方差，建立了机构运动功能可靠性的分析模型。
The algebra synthesis method is used to obtain the expectation and variance of the assemble responses. The reliability model of mechanism motion function can be built.
假定土层的剪切模量随深度线性变化，得到土层的最大位移反应的均值和方差。
Assuming that shear modulus of the soil foundation is linear along depth, the mean and the variance of the maximal displacement response are obtained.
围堰结构的后期流变位移平均值是流变初期时位移的2 ~3倍。
It also shows that the average creep displacement value of the cofferdam structure is 2-3 times of the initial displacement.
采用涡流测振仪位移挡双向测量取平均值作为实际热位移值，可提高测量主轴热位移的精度。
By means of two—way method of the whirl vibration Mefer can raise the measure precision of the spindle thermal displacement.
即使高风速条件下，抖振位移标准差也有可能高于平均值；
The buffeting displacement standard deviation might be higher than the mean value, even for higher wind velocity.
三个试 验组试件完成最终第10 000次循环测试后，其轴向位移数据的均值差异不具有统计学意义；
No statistical difference was found in vertical migration value of prostheses for lesser trochanter fixation and cement reinforcement after they were tested 10 000 cycles.
三个试 验组试件完成最终第10 000次循环测试后，其轴向位移数据的均值差异不具有统计学意义；
No statistical difference was found in vertical migration value of prostheses for lesser trochanter fixation and cement reinforcement after they were tested 10 000 cycles.
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