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。
It does not require irrotational conditions and the limitation of the ratio of wave length to water depth.
它没有无旋条件,没有波高对水深比值的限制。
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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