The stamp above overprinted "China" and postmarked in Shanghai is a rare three Pfennig denomination stamp from 1898 was used for German offices in China.
上面加印“中国”和上海的邮戳邮票是一种罕见的3芬尼面值邮票从1898年德国在中国的办事处使用。
3
Moreover, unlike planktonic purple bacteria such as Chromatium okenii, whose cells are highly motile (Schlegel and Pfennig 1961; van Gemerden and Mas 1995), strain Fryx1 is only weakly motile.
此外,不像Chromatium okenii等一类紫色浮游细菌,其细胞具有高度游动性Schlegel and Pfennig 1961; van Gemerden and Mas 1995 Fryx1只是弱能动性。