The higher the precipitation, the greater the root depth, total root length and root diameter, the more lateral roots and the lower ratio of root to shoot.
降雨量越大，根系越深、总根长越大、根系直径越大、侧根越多、根冠比越低。
If the ratio of depth to diameter of pit is less than 10, the arching effect may be ignored and the circular foundation pit can be analyzed as plane slopes with the method of slices.
若基坑的深度与直径之比小于10，则可忽略“拱效应”，将其看成平面边坡，用条分法对其进行稳定性分析。
Some influence of the ratio of length to diameter of SCESHL on the velocities of jetting penetrator were observed but appeared mildly on the penetration depth into water.
装药长径比对杆式射流速度有一定影响，但对水下侵彻能力影响不大。
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