而使这种直立行走能够发生的物质是被称为4号菌毛(IV pili)的附属物，它行使了类似腿的功能。
What enables this upright walking are appendages called type IV pili, which function as the analog of legs.
直立穗型品种抽穗后干物重和成熟期干物重明显高于另二种穗型，抽穗后干物重占成熟期干物重和产量的百分比也较高；
The dry matter accumulated after heading and the biomass of mature stage of varieties with erect panicles were higher than that of varieties with semi-cured and cured.
一排书的末端应放个支撑物以使书本保持直立。
A rest shall be placed at the end of a row of books to keep them upright.
这些突起物就像照相机的三脚架，可以让鸡蛋更稳定，帮助它保持直立。
Like the legs of a camera tripod, these bumps make an egg more stable and help keep it upright.
直立式防波堤是最常用的海工建筑物之一，作用于它的主要荷载是波浪力。
Vertical breakwater is one of typical maritime structures, which is mainly subjected to wave forces.
石版，石柱：刻有文字或图案的直立石板，用作纪念碑或建筑物表面的纪念匾额。
An upright stone or slab with an inscribed or sculptured surface, used as a monument or as a commemorative tablet in the face of a building.
藤本植物是指不能自由直立生长，需要借助于其他植物或支撑物的支持才能向上生长的植物的总称。
Vines are a group of plant that cannot stand erectly by themselves; they need to draw support from other plant or backstop to grow upwardly.
直立式防波堤是最常用的外海防护建筑物和护岸建筑物之一，作用于它的主要荷载是波浪力。
Vertical breakwater is one of typical maritime sheltering structures, which is mainly subjected to wave forces.
刻有文字或图案的直立石板，用作纪念碑或建筑物表面的纪念匾额。
An upright stone or slab with an inscribed or sculptured surface, used as a monument or as a commemorative tablet in the face of a building.
刻有文字或图案的直立石板，用作纪念碑或建筑物表面的纪念匾额。
An upright stone or slab with an inscribed or sculptured surface, used as a monument or as a commemorative tablet in the face of a building.
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