be based on

• The theory is completely abstract instead of being based on a more or less mechanical model .
  这个理论完全是抽象的，而不是建立在多少有点机械的模型之上的。
• The calculations are based on nuclear reaction rates, computed for different stages of a star's life .
  计算工作以恒星一生中不同阶段具体的核反应速率为基础。
• The prices assumed for raw materials, utilities, and plant costs are based on conditions in india .
  所用原料、公用工程以及工厂的投资额均根据印度的情况而定。
• The neutralization test is based on the neutralization of virus by specific antibodies found in the serum .
  中和试验是基于病毒可被存在于血清中的特异性抗体。
• The principle is based on the reversibility of a photochemical reaction accompanied by a change of coloration .
  其原理是根据光化反应的可逆性伴随的染色变化。
• The discussion is based on theoretical considerations and is supplemented with pertinent experimental data .
  讨论是以理论探讨为基础，并补充了有关的实验数据。
• Increased dexterity is based on the notion that a jack-of-all-trades is often the matter of none .
  技巧的增加是基于这样一种观点，即那种多面手常常什么也不精。
• The principle is based on the reversibility of a photochemical reaction accompanied by a change of coloration .
  其原理是根据伴随着染色变化在光化反应中的可逆性。
• Clonal propagation of plants by runners is based on meristematic activity of the differentiated cells of the plants .
  植物通过长匐茎的无性繁殖基于植株分化细胞的分生活性
• The underlying method is based on the simple wave solutions of a system of hyperbolic partial differential equations .
  基本的方法是以双曲型偏微分方程组的简单波解为根据的。