... base diameter基圆直径 pitch diameter节径、中径、节圆直径 major diameter大径、（花键）外径 form diameter成形直径 ...
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BOLT HOLE BASE DIAMETER 螺栓孔中心圆直径
base circle diameter [机] 基圆直径
Base diameter J 基圆直径
base diameter growth 地径生长
enlarged base diameter 扩底端直径
base diameter increment 地径生长量
Diameter Base Protocol 包括基础协议 ; diameter基础协议
The Reynolds number based on the cone base diameter is 50, 000.
基于圆锥体底部直径的雷诺数为50,000。
The quality of the feeding bamboo is assessed by the density and height of bamboo, bamboo trunk base diameter and the percentage of young bamboos.
竹子密度、竹子基径、幼竹比例和竹子高度则是衡量主食竹质和量的主要指标。
Depending on the relationship between height (H) and diameter (D) of dominant trees, it takes the height of the dominant achieved at base diameter as the index of site quality estimation.
试图从优势木树高与胸径的相关关系入手，以优势木在标准胸径时所达到的树高作为评估地位质量的指标。
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