error-variation 误差与变异
local error variation 局部误差变异
Operation Error and Error Variation 操作误差和变异度
variation of meter error 仪表误差变化
compass variation error [航] [水运] 罗盘变动误差
error and variation 误差与变异
The ramp metering rate is determined by the PID controller whose parameters are tuned by fuzzy logic according to the density tracking error and error variation.
斜坡根据密度跟踪误差和误差变化情况，通过模糊逻辑对控制器参数进行调整，确定了测量速度。
There is no significant differences in systematic and random set-up errors after shrinking field, except that the random set-up error variation is greater in the left-right direction.
缩野前后除左右方向上随机误差有显著差异外，其他各方向系统误差和随机误差没有显著差别。
If this compass variation or error is not compensated for, a navigator could find himself far off course and in deep trouble.
如果指南针偏差或错误没有正确补偿，一个航海家会发现他自己偏离航程太远和麻烦太大。
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