摩托车前减震器
front shock absorber of motorcycle
震前前兆异常特点
characteristics of precursory anomaly
隔震减震
seismic isolation and shock absorbing
抗震减震
earthquake resistance and shock absorption
L-Fuzzy子左(右)零半群
L-fuzzy sub-left(right) zero semigroup
臂之左右移动
right-left traverse of the arm
臂之左右转动
right-left turning of the arm
rotation of the arm
不分明化左右理想
fuzzifying left right reduced ideal