1) d2 mid-diameter
中径d2
1.
This article introduces using comparative measuring method with Double Flank Gear Rolling Tester to measure the 1/2 M value,and then calculates d2 mid-diameter,without any special measuring tools and instrument.
本文介绍在没有专用量具、量仪的条件下,在双面啮合综合检查仪上用比较测量法,测出三槽丝锥的1/2M值,然后计算出中径d2的方法。
2) D 1-D 2-Cyt b 559 reaction center complex
D1-D2-Cytb559反应中心复合物
3) p.d.
中径;节径
4) pitch diameter
中径
1.
Pitch diameter measuring of thread ring gauge and uncertainty evaluation;
螺纹环规的中径测量及其不确定度评定
2.
Analysis of slope error in measurement of pitch diameter of metric trapezoidal thread plus gauge
公制梯形螺纹塞规中径测量斜率误差分析
3.
By combining the traditional three ball measuring principle for thread with image measuring technology, a kind of 3-D automatic measuring system based on CCD image for pitch diameter parameters of taper thread is developed, and errors of the image-based three ball method are analyzed.
将传统的螺纹三针测量原理与图像测量技术相结合,设计开发了一种基于CCD图像的锥螺纹中径参数三维自动测量系统,并对图像三针测量法进行了误差分析。
5) D2 region
D2区
6) D2 Steel
D2钢
1.
Study on new annealing heating process of large forging of D2 steel;
D2钢大锻件退火加热新工艺设计及研究
2.
The hardness variation of D2 steel under different quenching temperature and the influence of subzero treatment on hardness of D2 steel were studied,and its microstructure was analyzed as well.
研究了D2钢在不同温度淬火后的硬度变化,以及深冷处理对其硬度的影响,并对其显微组织进行了分析。
补充资料：中径
1.犹直径。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条