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1·Here's the core diameter, it's about three and a half meters.

这是核心的内径，这是大约3米半。

2·An optical fiber evanescent wave methane gas sensor based on core diameter mismatch is reported.

提出一种基于纤芯失配的光纤倏逝波甲烷传感器。

3·Moreover, investigated the relation among the P wave velocity, the micro-crack in rock with the variation of core diameter.

探讨了岩石的微观裂隙、超声波速度与岩芯变形之间的关系。

4·The PCF region and core diameter given are the average of three measurements along each axis, and the ellipticity is the ratio of the maximum to the minimum measurement.

有关地域的中心，给出了均匀直径三轴，沿着每个尺寸的椭圆率是最大的比例最小计量。

5·By means of intermediate image immersing technology, the present invention has increased reflection Angle, reduced straight collimator core diameter and shortened straight collimator length.

本发明是借助中间像浸没的技术，增大反射角、减小直光管芯径，缩短直光管的长度。

6·In experiment, output modes of hundred-micron core diameter fiber laser are controled by the hole in the laser cavity, and the effects to beam quality are researched with holes of different diameters.

实验中，采用腔内小孔法对百微米芯径光纤激光器的输出激光模式进行控制，研究了不同孔径对输出激光光束质量的影响。

7·The diameter of the core is eleven feet and core height is about twelve feet.

核心的直径是11英尺，核心的高度，时间12英尺。

8·The core of RealView's endoscopy capsule is a hard plastic cylinder 25mm long and 7.5mm in diameter.

RealView公司生产的内窥镜胶囊核心是一个25毫米长、直径7.5毫米的硬塑料圆柱体。

9·At three sample sites, a 5 cm diameter sediment core was taken with a PVC cylinder to determine nutrient content.

在三个样本的网站，一个直径5厘米的核心是泥沙与聚氯乙烯缸，以确定养分含量。

10·What is smallest diameter core in use?

可用的最小型芯的直径是多少？