undersurface meaning in English
n.
底面。
adj.
水面下的；表面下的。 an undersurface craft 潜水艇。
Examples
- Implants for osteosynthesis - bone plates - specification for holes corresponding to screws with asymmetrical thread and spherical undersurfaces
骨接合术用外科植入物.第23部分:金属接骨板.第3节:不对称螺纹球形底面螺钉的螺钉孔 - Implants for osteosynthesis - bone screws and auxiliary equipment - specification for screws having symmetrical and asymmetrical thread and conical undersurfaces
接骨用植入物.接骨螺钉和辅助设备.有对称和不对称螺纹及圆锥形底面的螺钉规范 - From its undersurface a narrow infection hypha or penetration tube pushes through the cell wall or intercellular spaces and develops into a series of hyphae or a haustorium
从下表面的较细的感染性的菌丝可以穿过细胞壁而发育为一系列菌丝。 - Implants for osteosynthesis - bone screws and auxiliary equipment - specification for the mechanical requirements and test methods for screws having asymmetrical thread and spherical undersurface
骨接合术用外科植入物.第5部分:不对称螺纹和球形下表面金属接骨螺钉.第6节:机械要求和试验方法规范 - Stoma of polyploids ( include hexaploid and octoploid ) were larger and spaced father apart on the undersurface than diploids , the stoma density of triploids and tetraploids were 60 - 70 % of corresponding diploids , and the stoma density of hexaploids and octoploids were 30 - 40 % of diploids
73为三倍体和四倍体区别于二倍体共有的特征带； itrai 70为四倍体的特征带。 sod同工酶酶活性较弱，共分离6条带， ro