Warning: file_put_contents(): Only 0 of 4998 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/69228.com/index.php on line 55 久久久精品天堂无码中文字幕,а天堂中文最新版在线官网,国产午夜不卡Av免费
The microspore lacks a large central vacuole. 小孢子缺中央大液泡。
During the development of nectariferous tissue, both the vacuole and starch grains changed regularly. 產(chǎn)蜜組織在發(fā)育過程中，細(xì)胞中的液泡體積及淀粉粒呈現(xiàn)有規(guī)律的消長變化。