您要查找的是不是：
- We opened an encyclopedia, asked our parents a question or two and, voila, we understand the concept of the unknown variable. 我们查了百科全书，问家长一两个问题，然后，我们就懂了代数中未知变量的概念。
- The method has good preciseness and less unknown variables and it is convenient to be used in practice. 该方法收敛性较好，未知量少，便于实际应用。
- According to the number of unknown variables in ideal element fitting, variable substitution is adopted to convert the overdetermined nonlinear equations into overdetermined linear equations. 根据理想要素拟合过程中待求未知量的个数，运用变量代换，将非线性超定方程组转化为线性超定方程组；
- A self-adaptation method to sample the unknown variables in the Green's function and in the generalized Sommerfeld integral in high frequency domain is proposed. 同时,还提出了对恒定电场中格林函数待定系数和高频下半无限大导电媒质中广义索末菲积分待定系数进行采样的自适应方法。
- The modules of the engine system are calculated iteratively in a predetermined sequence,and a modified Newton method is used to find the unknown variables of the system. 该方法按照预定的计算顺序，对发动机系统的各个模块进行迭代计算，并采用拟牛顿法求解系统可调变量。
- The result indicated: when having many unknown variables SDFMM has the quicker calculating speed, but needs fewer memory.The final result tallies very well. 所得结果表明，当未知数较多时SDFMM算法具有更快的计算速度，而需要的内存却较少，最后的计算结果符合很好。
- First, the trader, the gambler, and the casino are all dealing with both known and unknown variables that affect the outcome of each trade or gambling event. 首先，交易者、赌徒和赌场都是在处理已知和未知的变数，这些变数会影响交易或赌博的结果。
- The requested SNMP operation identified an unknown variable 所请求的SNMP操作识别了一个未知变量
- The best traders don't try to hide from these unknown variables by pretending they don't exist, nor do they try to intellectualize or rationalize them away through market analysis. 最优秀的交易者不会通过假装不知道来隐藏这些未知的变数，他们也不会通过市场分析把这些变数合理化。
- The leading role is played by a complete unknown. 演主角的是一个毫无名气的演员。
- A constant, variable, function name, or expression. 一种常数、变量、函数名或表达式。
- The star of the film is a previously unknown actor. 这部电影里的明星以前是个默默无闻的演员。
- The prices are variable, shop around by all means. 价格高低不一，所以一定要货比三家逐店选购。
- The temperature was a variable in the experiment. 在该实验中温度是个变量。
- Its greater part is unknown to me. 它的大部分对我是未知的。
- He was an unknown painter one year ago. 一年前，他还是一个不为人知的画家。
- A finite increment in a variable. 变量增量变量的有限增量
- The speed of the toy boat is variable. 玩具船的速度是可变的。
- Winds are mainly light and variable. 风力较弱，风向多变。
- This is a fact hitherto unknown. 这是一个至今无人知道的事实。
