-tiered
(forming compound adjs 用以构成复合形容词) having the specified number of tiers 有所示之排数或层数的: a three-tiered cake 三层的蛋糕 * a two-tiered system, ie one with two distinct levels 双重系统（有两个层次的）.
(forming compound adjs 用以构成复合形容词) having the specified number of tiers 有所示之排数或层数的: a three-tiered cake 三层的蛋糕 * a two-tiered system, ie one with two distinct levels 双重系统（有两个层次的）.
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