Conclusion: root surface is the risk factor of root caries.
结论：根面是根龋的易感因素。
Water deficit is influenced by the level of soil water potential at the root surface.
水分亏缺是受根系表面土壤水势高低影响的。
Because of few root hairs on citrus root surface, citrus growth highly depends on mycorrhiza.
柑桔根系缺少根毛，对丛枝菌根的依赖性强。
There was not a significant difference in root surface area of rice by comparing with the control treatment.
鸭稻共作方式下水稻根系总长变化无明显规律，根系表面积与常规栽培方式下相比无显著差异。
The rice varieties with strong root system, large active absorption root surface and total root surface area had strong tolerance to copper poison.
根系发达、根系活跃吸收表面积及总吸收表面积大的品种，有较强的耐铜毒性。
Parametric values on the contact lines of disc cutter blade and the side surface cogwheel, disc cutter blade and gear root surface are determined by using vector method.
建立了斜齿圆柱齿轮侧面及齿根面的直角坐标方程序，应用矢量法确定盘形铣刀齿刃与轮齿侧面及齿根面接触线上各点的参数值。
NaF group also had significant root surface scratches, exposed dentinal tubules were partially closed and scattered finger-like structures are also visible on the root surface;
氟化钠组根面亦可见明显的划痕，暴露的牙本质小管部分被封闭，在根面可见大小不一散在的指状结构；
They all accumulated on the surface of rice root system in the medium with higher ammonia concentration, while the wild type strains were removed from rice root surface in the same condition.
这些转化结合子在高铵下表现出固氮活性，并能集聚在水稻根表，而野生型菌在相同条件下远离水稻根表。
In the third experiment, we investigated the effects of iron plaque on the root surface on mercury uptake by and translocation within rice seedlings grown in nutrient solution in the greenhouse.
在第三个实验中研究了水稻根表形成的铁膜对水稻吸收和转运汞的影响。
In the third experiment, we investigated the effects of iron plaque on the root surface on mercury uptake by and translocation within rice seedlings grown in nutrient solution in the greenhouse.
在第三个实验中研究了水稻根表形成的铁膜对水稻吸收和转运汞的影响。
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