unknown quantity造句

• List the given information and the unknown quantities .
  列出给定数据和未知量。
• 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。
• Ingram, boyish, with unruly red hair and only a year out of harvard business school, was apparently keen and energetic, but otherwise an unknown quantity .
  英格拉姆还象个孩子，一头蓬乱的红发，他从哈佛商学院毕业才一年，看上去为人敏捷，精力充沛，但除此之外，这个人到底怎么样，还吃不准。
• 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。
• Pronounced the craft an unknown quantity . he has an idea what it can do
  .声称他不清楚这架飞机的具体重量或者她具体能达到怎样的高度
• A working equation expresses the unknown quantity in terms of the known ones
  分词短语出现在句尾，用逗号隔开，表示伴随情况说明，非常常见。
• . . . pronounced the craft an unknown quantity . he has an idea what it can do . . .
  . . .声称他不清楚这架飞机的具体重量或者她具体能达到怎样的高度
• As tronomical calculations are complex and involve many variables that go into the derivation of unknown quantities
  作为普通计算则变得复杂，包括了很多变量，使得引出了很多未知量。
• 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。
• It is an algebraic axiom , which makes us proceed from a known to an unknown quantity , and not from an unknown to a known ; but sit down , sir , i beg of you .
  这是代数学上的一条定理，我们应该从已知数来推论未知数，而不是从未知数来求已知数，请坐，阁下。 ”
• This work is to combine the information obtained from these studies , and make estimations for unknown quantities , to determine the best reaction rates for 18f ( p , ) 15o and 18f ( p , ) 19ne
  我们发现，在某些温度下， 。宽度的误差可以导致( p ，的反应率的上下限变化5倍。
• The passage builds the regression model of linear with one unknown quantity by the regression analysis of mathematical statistics and apply the model to population prediction
  摘要本文试用数理统计中回归分析的方法，建立我国人口总数与时间的一元线性回归模型，用于人口预测。
• After an impressive season , briatore certainly has a much better chance of placing kovalainen elsewhere than he would piquet , who remains something of an unknown quantity
  经过一个令人印象深刻的赛季之后，比起安置有着未知能力的小皮奎特，布利亚托雷当然是有着更好的机会为科瓦莱宁寻找新去处。
• By introducing the constant strain as another basic unknown quantity besides the rigid displacement at centroid of block elements , the elasticity of bock elements can be considered and the precision are improved
  引入块体的常应变作为基本未知量，从而使计算能够考虑块体的弹性，大大增加了计算的精度。
• If you cannot view all of the attributes for a player who interests you then it might be worth sending a scout out to examine him in detail rather than risk spending money on someone who is partially an unknown quantity
  如果你不能看到你所感兴趣的球员的全部属性就派个球探去探查他一下好了解细节，而不是冒险随便砸钱。
• Already well aware of hargreaves ' virtues from international duty with england , rio concedes the younger new arrivals are a little more of an unknown quantity - although united did sample brazilian playmaker anderson ' s trickery last summer
  英格兰国家队的共事使里奥已经了解哈格里夫斯的强大实力，而对于新来的年轻人，里奥则不是那么清楚他们的能力- -尽管去年夏天曼联已经领教过巴西前腰安德森的厉害。
• When analyzing skew support continuous curved box girder bridge , curved grid girder analyzing method considering warping effect is applied . matrix displacement method is applied in analyzing skew support continuous curved thin - walled box girder bridge with restrained bearing . in order to convert original rigidity equations to structural rigidi ty equations that can be solved , bearing nodal displacement matrix can be introduced , then unknown quantities at the edge of beams can be consistent with the restrained directions of skew bearings , unit rigidity matrix and unit nodal forces can be gained . structural rigidity matrix can be composed according to matrix displacement method , so nodal displacements and inner forces on the end of the rod that are unknown can be gained calculating equations of inner forces on any cross - section can be solved
  分析斜支承连续曲线箱梁桥时，采用考虑翘曲作用的曲线格子梁分析方法，应用矩阵位移法对具有约束支承形式的斜支承连续曲线薄壁箱梁桥进行分析，考虑到支座的约束条件并不与梁端弯曲角位移和扭转角位移的方向一致，引入支座节点坐标矩阵，使得梁端的位移未知量与斜支座约束方向一致，来计算单元刚度矩阵和单元节点力，然后按照矩阵位移法组集总刚并建立结构刚度方程，根据结构刚度方程即可求解未知的节点位移及杆端力，推导出任意截面处的内力计算公式。
• In this technique , the two - terminal date sampling unsynchronized angle is considered as a unknown quantity , and the fault location equation x = f ( ) is established . superimposed components of two terminal electrical quantities are used in the algorithm . the unsynchronized angle is solved iteratively by equation im ( x ) = 0 , and the accurate solution of x is found finally
  本方法将两端数据采样的不同步因素以不同步角的形式引入，建立x = f ( )的测距方程，在算法中采用两端电气量的故障分量，并利用im ( x ) = 0这一条件用搜索法求解不同步角，进而求得故障距离x 。
• The author has particularly researched into the prominent problems of seepage in water conservancy engineering based on the steady - unsteady and saturated - unsaturated seepage theory and numerical method by summarizing the former achievement . the following is included : ( 1 ) based on the fundamental seepage theory , the basic differential equation of saturated - unsaturated seepage in porous mediums has been deduced , in which the pressure head is the fundamental unknown quantity . the method for saturated - unsaturated possible spill boundary handling is presented
  主要内容包括： （ 1 ）从渗流基本理论出发，以压力水头为基本未知量推导多孔介质三维饱和-非饱和渗流微分方程，提出饱和及非饱和可能渗流逸出面边界条件严密合理的解决方法，特别是针对非饱和渗流逸出面的问题建立了二个有关定义，并编制相应的三维饱和-非饱和渗流程序，在此基础上分析了南京长江堤防某堤段水位变化时渗流场的变化情况。
• The primary contents are as follows : ( 1 ) based on the fundamental seepage physical equation , the basic differential equation of saturated - unsaturated seepage in porous mediums has been deduced , in which the pressure head is the fundamental unknown quantity . a calculated model for analysis of saturated - unsaturated seepage field with the boundary condition of rain infiltration also has been developed
  总体说来，本文主要从以下几个方面开展了研究： ( 1 )由基本渗流物理方程出发，以压力水头为基本未知量推导多孔介质三维饱和?非饱和渗流微分方程，在此基础上分析了边坡在有降雨入渗条件下渗流的定解条件和计算模型。