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- The acetylene reduction activity and its nodule structure were no difference from the nodule formed by parent strain. 接受了农药降解质粒的接合子保持了根瘤菌的共生性状、乙炔还原活性,所形成的根瘤结构与亲本株没有明显差别。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- The surface of the liquid gradually crusted over. 液体表面渐渐地结了一层皮。
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- The calm water surface is very much like a mirror. 那平静的水面十分象一面镜子。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- Like rhizobia, the nitrogen-fixing endophyte Frankia elicits the formation of specialized root nodule structures which house BNF processes. 像根瘤菌一样，固氮的内寄生弗兰克氏菌能够诱发特殊的根瘤结构，在其中进行生物固氮过程。
- He is honest only on the surface. 他只是表面诚实而已。
- A concave surface, structure, or line. 凹面、凹形结构、或凹线
- A film of mucus and bacteria on a tooth surface. 齿菌斑牙齿表面一层粘液和细菌的膜
- Keywords Podiform chromite;Nodular structure;Ultramafic blocks;Structural zone;Plate tectonics; 豆荚状铬铁矿;豆状构造;超镁铁岩块;构造带;板块构造;
- The hard outer portion or surface area of bread. 面包皮面包的表面区域的硬皮
- Surface mail takes longer than airmail. 普通邮件比航空邮件慢。
- The surface of the lake is quite still. 湖面相当平静。
- nodular structure 结节结构
- It's2 yuan by surface mail and3.6 yuan by air. 寄平信2元，寄航空要3元6角。
- Wheels won't bite on a slippery surface. 车轮打滑。
- The surface must be thoroughly clean. 表面必须彻底弄清洁。
- The surface between the ribs of a ribbed vault. 梁腹，腹板某扇形拱的胁拱之间的平面
