alternation

过去分词：

动词过去分词: alternated

更多词形：

副词: alternately | 名词: alternateness | 动词过去式: alternated | 动词过去分词: alternated | 动词现在分词: alternating | 动词第三人称单数: alternates |

单词例句：

The thermal stability of film varied with the alternation of substituting groups at the 2-position of benzimidazole.

2位取代基的改变对芳基苯并咪唑-铜配合物的热稳定性有影响。

They show a heteromorphic alternation of generations, the gametophyte eging the dominant generation.

苔藓植物具有明显的世代交替现象，配子体在世代交替中占优势。

Duplex controllers feature automatic alternation as standard.

豪华型控制装置的标准配置还包括自动变换器。

The alternation of light and dark bands of color in the fur of various animals, producing a grizzled appearance.

深浅环纹不同动物毛皮上深浅相间的彩色条纹，产生灰白斑的外表

Design decision of complete machine, compact conformation and high speed full auto roll alternation.

整机设计精致，结构紧凑，高速全自动换卷。

This agreement is not susceptible to alternation.

这一协议不容许更改。

There is an alternation of red and white stripes on the flag of the United States.

美国国旗上红白条相间。

The gamete - producing phase in a plant characterized by alternation of generations.

配子体植物中以世代交替为特征的产生配子产生的阶段

This alternation feature is commonly related to emplacement of C-shaped rolls.

蚀变的特征一般同C形的卷型矿化有关。