under-secretary -general [經(jīng)濟學]付秘書長

under-seal synchronous pavement [交通運輸工程]同步碎石下封層

under-screen 擋泥板

under-scan n.欠掃描；掃描不足

under-sampling 欠採樣

under-reserve [經(jīng)] 保畱追索權, 儲備不足

under-represented 未被充分代表的；代表名額不足的。

under-relaxation factor [數(shù)學]低松馳因子

under-reaction 弱反應

under-parhelion 下幻日

under-nourishment n.營養(yǎng)不足

under-invoicing 少開發(fā)票,開低價發(fā)票

under-invoice 不足額發(fā)票

under-inflation 充氣不足

under-heating 欠熱

under-frame-shear-wall 底部框剪

under-finished 脂肪少的

under-excitation operation [能源科學技術]欠勵磁運轉(zhuǎn)欠勵磁運行

under-employment (n.)

under-employed (adj.)