算术表达式中最常见的表示法形式有 中缀、前缀和 后缀表示法。
The three most common forms of notation in arithmetic expressions are infix, prefix, and postfix notations.
习语是一种特殊的语言形式，是一种固定的表达法，人们不一定能从它的各个组成部分推断出其意义。
Idioms are a special form of language, they are fixed expressions, whose meaning cannot always be readily derived from the usual meaning of its constituent elements.
重组人脑源性神经营养因子（BDNF）在大肠杆菌中表达，以冻干形式提供。反相高效液相色谱法和SDS-PAGE测定其纯度大于96％。
Recombinant human BDNF was expressed in E. coli and is supplied in a lyophilized form. A greater than 96% purity was determined by reverse phase-HPLC and SDS-PAGE.
应用推荐