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1·The expanding diameter ratio is also 1.3.

本文较佳的扩径比为1.3左右。

2·Pile's bearing features differ with diameter and length-diameter ratio.

不同桩径不同长径比的桩的承载特性是不同的。

3·Under the optimized condition (length-diameter ratio of spinning capillary, 133;

在最佳纺丝条件下（纺丝管长径比为133；

4·The trim exponents vary with the fluid viscosity and impeller diameter ratio at same time.

切割指数同时随着切割后的直径比和液体粘度变化而变化。

5·The ball-to-pipe diameter ratio governs the handle turning angle at which the valve becomes closed.

圆管子直径比率控制阀门关闭的旋转角度。

6·The nozzle geometric parameters included hole number and diameter, hole angle and hole length-diameter ratio(L/D).

喷嘴结构参数包括喷孔数、喷孔直径、喷孔夹角和喷孔长径比。

7·The survival rate and growth of the first year showed a close relation with shoot-root ratio and height-diameter ratio.

造林成活率和当年生长量与茎根比和高径比关系密切。

8·There is a relationship between the trim exponents and impeller diameter ratio, namely the exponents vary with the ratio.

叶轮切割指数与直径比的确存在着某种关系，也就是切割指数随着切割后的直径比的变化而变化。

9·The dynamic autofrettage ability of materials is analyzed. The influence of the diameter ratio of thick-walled-cylinder components on the…

分析了材料的动态自增强能力，考察了径比对厚壁圆筒形构件动态自增强效果的影响。

10·The thickness-diameter ratio of culm, stem diameter, culm wall thickness and pith diameter were significantly correlated with stem strength.

结果表明小麦茎秆强度与厚径比、壁厚均呈极显著正相关，与髓腔直径呈极显著负相关。