首先，在平坦的场地上树起四根绘有蕨叶纹的木牌柱。
First, they erect four wooden pillars painted with fern leaf veins.
看看蕨叶、菜花和放大的雪花，我们能从图形上看到尺寸的分布。
Look at a fern leaf, a cauliflower, and a magnified snowflake to see this distribution of sizes graphically.
拳卷的，旋卷的卷成线圈样式，其尖端在中间的，如未展开的蕨叶的。
Rolled up in the form of a coil with the tip in the center as an unexpanded fern frond .
拳卷的，旋卷的卷成线圈样式，其尖端在中间的，如未展开的蕨叶的。
Rolled up in the form of a coil with the tip in the center, as an unexpanded fern frond.
杉叶蕨藻从摩纳哥的海洋博物馆传入地中海。
Caulerpa taxifolia escaped into the Mediterranean from the Oceanographic Museum in Monaco.
用透射和扫描电镜观察了蕨状满江红茎尖、成熟叶腔内以及胚的腺毛超微结构。
The ultrastructure of Azolla filiculoides was investigated by means of transmission and scanning electron microscopy .
用透明胶法对蕨麻试管苗与土培苗叶表特征进行了观察比较。
The leaf epidermis structure of test-tube seedling and field seedling were observed with transparent rubberized fabric sticking method.
用透明胶法对蕨麻试管苗与土培苗叶表特征进行了观察比较。
The leaf epidermis structure of test-tube seedling and field seedling were observed with transparent rubberized fabric sticking method.
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