大家都搜：
[数]未知量
1、physical quantity───[物]物理量
2、unknown───adj.未知的；陌生的，默默无闻的；n.未知数；未知的事物，默默无闻的人
3、quantity discounts───数量折扣
4、unknown soldier───n.阵亡的无名英雄；（美）阵亡的无名英雄
5、quantity of───数量; 流量；数量；流量
6、quantity───n.量，数量；大量；总量
7、in quantity───大量
8、explorations unknown───未知的探索
9、unknown number───[数]未知数
1、If he was to quench his thirst for knowledge , he could do nothing other than explore the unknown quantity .───他要满足求知欲没有别的办法，只能到自己陌生的领域中去探索。
2、Are an unknown quantity.───是一个未知的组合。
3、"For me, Dynamo Kiev is a bit of an unknown quantity for the moment, " said Wenger.───“在我看来，基辅迪纳摩目前来说，它的实力还有点未知，”温格说。
4、She had known Max for some years now, but he was still pretty much an unknown quantity.───她现在认识马克斯也好几年了，但是他仍然是个大大的未知数。
5、An expression that contains at least one unknown quantity and becomes true or false when a test value is substituted for the unknown.───至少包含一个未知数并且在测验值被替换时出现对或错的数学方程式
6、Quantity: a Real and Imaginary History of algebra.───的数量：代数的真实和想象的历史》。
7、The company, which makes heavy industrial vehicles like dump trucks, is an unknown quantity even among Chinese auto makers.───这家主要生产自卸车等重型工业车辆的企业甚至在中国的汽车制造商中也默默无闻。
8、The new sales director is still a bit of an unknown quantity.───新来的销售部主任大家还不大了解。
9、The Frenchman was an unknown quantity when he arrived in north London back in 1996.───1996年，当他初到北伦敦时，这个法国人还只不过是个未知数而已。