... diameter grade 直径阶 domestic grade 民用规格 double spur grade 人字坡 ...
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big diameter grade 大径级
diameter grade structure 径级结构
distribution of diameter grade 径阶分布
diameter grade transition model 径阶转移模型
·2,447,543篇论文数据，部分数据来源于NoteExpress
The number distribution of diameter grade obeys normal distribution.
雷竹株数按径阶分布服从正态分布。
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Each day 870, 000 liters of sewage pass through before being discharged, 99% decontaminated, through a 25-centimeter-diameter pipe into the harbor where grade-schoolers learn to tack.
FORBES: Muckraker
The caliber RM58-01, 34mm in diameter, is supported on a baseplate of grade 5 titanium, a material also utilized for the bridges.
FORBES: Richard Mille RM58-01 Tourbillon World Timer
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