reduced root

Further studies founding that the root surface area under MS treament was big, the water flow was reduced under unit time, unit pressure gradient and unit surface area of root.

研究发现，甜高粱在MS处理下具有较高的根系表面积，使其在单位时间内，单位压力梯度下流经单位根表面积（或长度）的水流降低。

The bourn of internal root sheath and external root sheath was blurry, the fiber of connective tissue sheath cell arrayed disordered, the number of connective tissue cell reduced.

内根鞘、外根鞘界限模糊，结缔组织性鞘细胞纤维排列杂乱，结缔组织细胞减少。

According to difference of the root system morphology, low phosphorus condition made root radius and root volume reduced, while the ratio of root to shoot ( R/ S) increased.

从根系形态的差异来看，低磷胁迫下，根半径、根体积减小，根冠比增加；

Living in the root of loquat host plant and existing in association with Septobasidium sp., the pest attackes the root, weakening the loquat tree, resulting in reduced fruit production and the death of the tree after 3-4 years.

蚁粉蚧栖居为害枇杷根部，并与隔担子菌Septobasidium sp.共生。根部受害结果导致村势衰弱、减产，若无适当防治措施，植株经3～4年后死亡。

By optimizing the radius of rounded corner at the root of thread and the structure of screw nut, and by changing the diameter of the root of thread, the concentrated stress was reduced, and stress distribution was improved for higher fatigue strength of the screw bolt.

通过优化螺栓螺纹根部圆角半径和螺母结构、改变螺纹根部直径的方法，缓解螺纹根部的应力集中，改善应力分布，实现提高螺栓疲劳强度的目的。

In the implant area, the diameter of implant at the apical foramen of root shall not be reduced to protect root in clinical work.

种植体出根尖孔区域受力最大，不能将种植体出根尖孔处直径减小来达到保护牙根的目的；