流动: 1.(液体或气体移动) flow; run; circulate 短语和例子河水缓缓地流动。 the river is flowing slowly. 空气流动。 the air is circulating.2.(经常变换位置) going from place to place; on the move; mobile 短语和例子流动电影放映队 mobile film
线性: [数学] [物理学] linear; linearity◇线性代数 linear algebra; 线性方程 linear equation; 线性规划 linear program; mathematical programming; linear programming; 线性函数 linear function
