alternation

名词：

名词: alternateness

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 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

There is an alternation of black and white stripe in that cloth.

那匹布黑白条纹相间。

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

It suggested that: the detection of IS605 was related to alternation in virulence of Hp.

提示IS6 0 5的出现 ,与hp致十二指肠溃疡的毒力改变有关。

Wallrock alternation is wide spread.The tenor of gold is low.

矿区围岩蚀变较发育，金的品位较低。

In the alternation of wetting-dry sulfate corrosion environment,the Portland cement concrete is not suitably used.

在干湿交替的硫酸盐侵蚀环境中,不宜采用普通水泥混凝土.

Natural or artificial cycle of light and darkness alternation to which living organisms may be exposed.

自然界或人造的能够影响生物有机体的亮暗循环。

Alternation of sexual and parthenogenic generations, as in some aphids.

世代交替双性与单性生殖交替进行，如一些蚜虫中

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。