• 变化无常的天气

variable sign变量符号variableadj.可变的；易变的n.变量；易变的东西variable step-size adaptive filtering algorithm变步长自适应滤波算法variable-frequency variable-voltage technique变频调速variable-air-volume air-conditioning systems变风量空调系统variable-angle synchronous fluorescence spectrum可变角同步荧光光谱Variable Omni-Range Distance Measuring Equipment可变全向信标测距设备variable light-type single stimulus tachistoscope变光式单刺激速示仪variable cross-section spiral-shaped production变截面蜗壳件variable coefficients Zakharov-Kuznetsov equation广义变系数ZK方程variable bandwidth steady-state free-precession可变带宽稳态自由运动variable-capacitance micromechanical accelerometer微机械电容式加速度计