凹序列的英文

• concave sequence

• 凹:    low-lying area; depression
• 序列:    order; alignment; array; suc ...
• 序列:    1.(按次序排好的行列) order; alignment; array; succession; suite 不成序列 out of alignment; 战斗序列 battle array; battle order2.[数学] [计算机] sequence
• alu序列:    alu sequence
• chi序列:    chi sequence