unknown quantity

英 [ˌʌnˈnəʊn ˈkwɒntəti]

美 [ˌʌnˈnoʊn ˈkwɑːntəti]

未知量;未知数

化学

英英释义

noun

• a variable whose values are solutions of an equation
  Synonym:unknown
• a factor in a given situation whose bearing and importance is not apparent
  1. I don't know what the new man will d

双语例句

• Phrases like "a number" or "the number" tell us our expression has an unknown quantity, called a variable.
  像一个数或这个数之类的短语，告诉我们表达式中含有一个未知量，称之为变量。
• He is an unknown quantity for his rivals.
  对于对手们而言，他是个未知数。
• You must eliminate an unknown quantity.
  你必须消去一个未知数。
• John is a possibility for the job, but he is still an unknown quantity.
  约翰可能获得这工作但现在还是个未知数。
• As a teacher, he's still an unknown quantity.
  作为一名老师，人们还不知道他是什么样。
• Woman, even more than the working class, is the great unknown quantity of the race.
  妇女比工人阶级蕴藏着更多的未知数。
• The new sale director is still a bit of an unknown quantity.
  新来的销售部主任大家还不大了解。
• As negotiating partners the Taliban are at best an unknown quantity.
  塔利班作为谈判伙伴充其量是一个未知数。
• With the impact of large deformation consolidation, the fluctuate part of rigidity matrix was contained fundamental unknown quantity.
  受大变形的影响，在纽曼随机有限元求解过程中，刚度矩阵波动值也含有未知量增量的相关项。
• In algebra, the sign x usually denote an unknown quantity.
  在代数中，x符号通常代表一未知的量。