linear coefficient of thermal expansion meaning in English

线性热膨胀系数

Standard test method for linear coefficient of thermal expansion of rock using bonded electric resistance strain gages
用粘结的电阻应变仪测定岩石热膨胀线性系数的标准试验方法
The present situation of investigation on the alloy with high strength and low linear coefficient of thermal expansion and the achieved level are summarized , and some opinions on the further alloy researches are given roughly
总结了高强度低热膨胀合金研究的国内外现状和达到的水平，对高强度低热膨胀合金将来的研究方向提出了看法。