U 开头单词
under-secretary -general [经济学]付秘书长
under-seal synchronous pavement [交通运输工程]同步碎石下封层
under-screen 挡泥板
under-scan n.欠扫描；扫描不足
under-sampling 欠采样
under-reserve [经] 保留追索权, 储备不足
under-represented 未被充分代表的；代表名额不足的。
under-relaxation factor [数学]低松驰因子
under-reaction 弱反应
under-parhelion 下幻日
under-nourishment n.营养不足
under-invoicing 少开发票,开低价发票
under-invoice 不足额发票
under-inflation 充气不足
under-finished 脂肪少的
under-excitation operation [能源科学技术]欠励磁运转欠励磁运行