线性

• Equation 6-9 is nonlinear and no closed-form solution is known .
  1方程（6-9）是非线性的并且没有已知的准确形式解。
• Oscillatory system can be broadly characterized as linear or nonlinear .
  振荡系统可大致上区分为线性和非线性两种。
• Graphite and even its liner counterpart, poly(p-phenylene) are too insoluble .
  石墨甚至其线性类似物聚苯，极不易溶解。
• The simplest case, a linear form, was the starting point of the induction .
  最简单的情况是一个线性型，是归纳法的起点。
• These facts suggest a simple way of characterizing linear operation .
  这些事实提示我们，可以用一个简单方法来描述线性运行。
• All forms of reciprocal theorems apply to structures which behave linearly .
  所有形式的互等定理都适用于线性受力状态的结构。
• To illustrate the foregoing analysis, consider a linear elastic solid .
  为了举例阐明以上的分析，我们考虑一种线性的弹性固体。
• The values for the stresses are assumed to be linearly proportional to the pressure .
  这些应力值被假定为与压力成线性比例关系。
• A quasilinear equation is one in which the highest-order derivative appears linearly .
  最高阶导数线性地出现的那种方程是准线性方程。
• A material obeying ohm's law is called an ohmic conductor or a linear conductor .
  凡是遵守欧姆定律的材料，都叫做欧姆导体或线性导体。